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Finding the Fourth Proportional to 334,084.80, 501,127.20 and 245,511.30

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Solution

The fourth proportional to 334,084.80, 501,127.20 and 245,511.30 is: 368,266.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,084.80 : 501,127.20 = 245,511.30 : x
  2. Step 2: Convert to fraction form
    334,084.80/501,127.20 = 245,511.30/x
  3. Step 3: Cross multiply
    334,084.80x = 501,127.20 × 245,511.30
  4. Step 4: Simplify right side
    334,084.80x = 123,032,390,337.36
  5. Step 5: Solve for x
    x = 123,032,390,337.36/334,084.80
  6. Step 6: Final answer
    x = 368,266.95

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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.