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Finding the Fourth Proportional to 613,567.17, 920,286.36 and 164,334.42

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Solution

The fourth proportional to 613,567.17, 920,286.36 and 164,334.42 is: 246,484.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,567.17 : 920,286.36 = 164,334.42 : x
  2. Step 2: Convert to fraction form
    613,567.17/920,286.36 = 164,334.42/x
  3. Step 3: Cross multiply
    613,567.17x = 920,286.36 × 164,334.42
  4. Step 4: Simplify right side
    613,567.17x = 151,234,725,204.51
  5. Step 5: Solve for x
    x = 151,234,725,204.51/613,567.17
  6. Step 6: Final answer
    x = 246,484.38

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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.