Home / 410,386.53-615,549.06-144,149.40

Finding the Fourth Proportional to 410,386.53, 615,549.06 and 144,149.40

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Solution

The fourth proportional to 410,386.53, 615,549.06 and 144,149.40 is: 216,213.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,386.53 : 615,549.06 = 144,149.40 : x
  2. Step 2: Convert to fraction form
    410,386.53/615,549.06 = 144,149.40/x
  3. Step 3: Cross multiply
    410,386.53x = 615,549.06 × 144,149.40
  4. Step 4: Simplify right side
    410,386.53x = 88,731,027,669.56
  5. Step 5: Solve for x
    x = 88,731,027,669.56/410,386.53
  6. Step 6: Final answer
    x = 216,213.30

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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.