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Finding the Fourth Proportional to 435,701.61, 601,197.52 and 272,338.78

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Solution

The fourth proportional to 435,701.61, 601,197.52 and 272,338.78 is: 375,783.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,701.61 : 601,197.52 = 272,338.78 : x
  2. Step 2: Convert to fraction form
    435,701.61/601,197.52 = 272,338.78/x
  3. Step 3: Cross multiply
    435,701.61x = 601,197.52 × 272,338.78
  4. Step 4: Simplify right side
    435,701.61x = 163,729,399,135.83
  5. Step 5: Solve for x
    x = 163,729,399,135.83/435,701.61
  6. Step 6: Final answer
    x = 375,783.32

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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.