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Finding the Fourth Proportional to 415,602.24, 573,502.32 and 234,320.64

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Solution

The fourth proportional to 415,602.24, 573,502.32 and 234,320.64 is: 323,346.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,602.24 : 573,502.32 = 234,320.64 : x
  2. Step 2: Convert to fraction form
    415,602.24/573,502.32 = 234,320.64/x
  3. Step 3: Cross multiply
    415,602.24x = 573,502.32 × 234,320.64
  4. Step 4: Simplify right side
    415,602.24x = 134,383,430,663.89
  5. Step 5: Solve for x
    x = 134,383,430,663.89/415,602.24
  6. Step 6: Final answer
    x = 323,346.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.