Home / 357,742.24-536,725.68-147,479.20

Finding the Fourth Proportional to 357,742.24, 536,725.68 and 147,479.20

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Solution

The fourth proportional to 357,742.24, 536,725.68 and 147,479.20 is: 221,265.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,742.24 : 536,725.68 = 147,479.20 : x
  2. Step 2: Convert to fraction form
    357,742.24/536,725.68 = 147,479.20/x
  3. Step 3: Cross multiply
    357,742.24x = 536,725.68 × 147,479.20
  4. Step 4: Simplify right side
    357,742.24x = 79,155,873,905.86
  5. Step 5: Solve for x
    x = 79,155,873,905.86/357,742.24
  6. Step 6: Final answer
    x = 221,265.10

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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.