Home / 607,855.12-911,909.40-187,110.16

Finding the Fourth Proportional to 607,855.12, 911,909.40 and 187,110.16

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Solution

The fourth proportional to 607,855.12, 911,909.40 and 187,110.16 is: 280,704.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,855.12 : 911,909.40 = 187,110.16 : x
  2. Step 2: Convert to fraction form
    607,855.12/911,909.40 = 187,110.16/x
  3. Step 3: Cross multiply
    607,855.12x = 911,909.40 × 187,110.16
  4. Step 4: Simplify right side
    607,855.12x = 170,627,513,739.50
  5. Step 5: Solve for x
    x = 170,627,513,739.50/607,855.12
  6. Step 6: Final answer
    x = 280,704.25

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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.