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Finding the Fourth Proportional to 249,713, 374,606.76 and 91,929.32

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Solution

The fourth proportional to 249,713, 374,606.76 and 91,929.32 is: 137,907.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,713 : 374,606.76 = 91,929.32 : x
  2. Step 2: Convert to fraction form
    249,713/374,606.76 = 91,929.32/x
  3. Step 3: Cross multiply
    249,713x = 374,606.76 × 91,929.32
  4. Step 4: Simplify right side
    249,713x = 34,437,344,714.20
  5. Step 5: Solve for x
    x = 34,437,344,714.20/249,713
  6. Step 6: Final answer
    x = 137,907.70

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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.