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Finding the Fourth Proportional to 249,393.78, 374,090.67 and 62,405.28

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Solution

The fourth proportional to 249,393.78, 374,090.67 and 62,405.28 is: 93,607.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,393.78 : 374,090.67 = 62,405.28 : x
  2. Step 2: Convert to fraction form
    249,393.78/374,090.67 = 62,405.28/x
  3. Step 3: Cross multiply
    249,393.78x = 374,090.67 × 62,405.28
  4. Step 4: Simplify right side
    249,393.78x = 23,345,233,006.74
  5. Step 5: Solve for x
    x = 23,345,233,006.74/249,393.78
  6. Step 6: Final answer
    x = 93,607.92

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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.