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Finding the Fourth Proportional to 318,877.52, 440,070.93 and 175,637.52

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Solution

The fourth proportional to 318,877.52, 440,070.93 and 175,637.52 is: 242,390.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,877.52 : 440,070.93 = 175,637.52 : x
  2. Step 2: Convert to fraction form
    318,877.52/440,070.93 = 175,637.52/x
  3. Step 3: Cross multiply
    318,877.52x = 440,070.93 × 175,637.52
  4. Step 4: Simplify right side
    318,877.52x = 77,292,966,769.29
  5. Step 5: Solve for x
    x = 77,292,966,769.29/318,877.52
  6. Step 6: Final answer
    x = 242,390.77

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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.