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Finding the Fourth Proportional to 435,699.61, 601,194.76 and 272,336.78

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Solution

The fourth proportional to 435,699.61, 601,194.76 and 272,336.78 is: 375,780.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,699.61 : 601,194.76 = 272,336.78 : x
  2. Step 2: Convert to fraction form
    435,699.61/601,194.76 = 272,336.78/x
  3. Step 3: Cross multiply
    435,699.61x = 601,194.76 × 272,336.78
  4. Step 4: Simplify right side
    435,699.61x = 163,727,445,913.42
  5. Step 5: Solve for x
    x = 163,727,445,913.42/435,699.61
  6. Step 6: Final answer
    x = 375,780.57

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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.