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Finding the Fourth Proportional to 461,841.60, 637,486.56 and 270,932.16

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Solution

The fourth proportional to 461,841.60, 637,486.56 and 270,932.16 is: 373,971.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,841.60 : 637,486.56 = 270,932.16 : x
  2. Step 2: Convert to fraction form
    461,841.60/637,486.56 = 270,932.16/x
  3. Step 3: Cross multiply
    461,841.60x = 637,486.56 × 270,932.16
  4. Step 4: Simplify right side
    461,841.60x = 172,715,610,671.77
  5. Step 5: Solve for x
    x = 172,715,610,671.77/461,841.60
  6. Step 6: Final answer
    x = 373,971.53

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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.