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Finding the Fourth Proportional to 461,060.51, 636,266.29 and 257,124.32

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Solution

The fourth proportional to 461,060.51, 636,266.29 and 257,124.32 is: 354,833.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,060.51 : 636,266.29 = 257,124.32 : x
  2. Step 2: Convert to fraction form
    461,060.51/636,266.29 = 257,124.32/x
  3. Step 3: Cross multiply
    461,060.51x = 636,266.29 × 257,124.32
  4. Step 4: Simplify right side
    461,060.51x = 163,599,538,103.03
  5. Step 5: Solve for x
    x = 163,599,538,103.03/461,060.51
  6. Step 6: Final answer
    x = 354,833.12

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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.