Home / 249,428.12-374,179.08-91,644.28

Finding the Fourth Proportional to 249,428.12, 374,179.08 and 91,644.28

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Solution

The fourth proportional to 249,428.12, 374,179.08 and 91,644.28 is: 137,479.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,428.12 : 374,179.08 = 91,644.28 : x
  2. Step 2: Convert to fraction form
    249,428.12/374,179.08 = 91,644.28/x
  3. Step 3: Cross multiply
    249,428.12x = 374,179.08 × 91,644.28
  4. Step 4: Simplify right side
    249,428.12x = 34,291,372,377.66
  5. Step 5: Solve for x
    x = 34,291,372,377.66/249,428.12
  6. Step 6: Final answer
    x = 137,479.98

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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.