Home / 240,387.16-360,634.04-90,628.74

Finding the Fourth Proportional to 240,387.16, 360,634.04 and 90,628.74

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Solution

The fourth proportional to 240,387.16, 360,634.04 and 90,628.74 is: 135,963.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,387.16 : 360,634.04 = 90,628.74 : x
  2. Step 2: Convert to fraction form
    240,387.16/360,634.04 = 90,628.74/x
  3. Step 3: Cross multiply
    240,387.16x = 360,634.04 × 90,628.74
  4. Step 4: Simplify right side
    240,387.16x = 32,683,808,646.31
  5. Step 5: Solve for x
    x = 32,683,808,646.31/240,387.16
  6. Step 6: Final answer
    x = 135,963.20

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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.