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Finding the Fourth Proportional to 602,760.20, 903,811.80 and 181,981.40

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Solution

The fourth proportional to 602,760.20, 903,811.80 and 181,981.40 is: 272,872.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,760.20 : 903,811.80 = 181,981.40 : x
  2. Step 2: Convert to fraction form
    602,760.20/903,811.80 = 181,981.40/x
  3. Step 3: Cross multiply
    602,760.20x = 903,811.80 × 181,981.40
  4. Step 4: Simplify right side
    602,760.20x = 164,476,936,700.52
  5. Step 5: Solve for x
    x = 164,476,936,700.52/602,760.20
  6. Step 6: Final answer
    x = 272,872.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.