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Finding the Fourth Proportional to 607,045.16, 910,567.26 and 157,728.36

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Solution

The fourth proportional to 607,045.16, 910,567.26 and 157,728.36 is: 236,592.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,045.16 : 910,567.26 = 157,728.36 : x
  2. Step 2: Convert to fraction form
    607,045.16/910,567.26 = 157,728.36/x
  3. Step 3: Cross multiply
    607,045.16x = 910,567.26 × 157,728.36
  4. Step 4: Simplify right side
    607,045.16x = 143,622,280,589.49
  5. Step 5: Solve for x
    x = 143,622,280,589.49/607,045.16
  6. Step 6: Final answer
    x = 236,592.42

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.