Home / 649,727.48-974,730.20-194,354.40

Finding the Fourth Proportional to 649,727.48, 974,730.20 and 194,354.40

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Solution

The fourth proportional to 649,727.48, 974,730.20 and 194,354.40 is: 291,573.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,727.48 : 974,730.20 = 194,354.40 : x
  2. Step 2: Convert to fraction form
    649,727.48/974,730.20 = 194,354.40/x
  3. Step 3: Cross multiply
    649,727.48x = 974,730.20 × 194,354.40
  4. Step 4: Simplify right side
    649,727.48x = 189,443,103,182.88
  5. Step 5: Solve for x
    x = 189,443,103,182.88/649,727.48
  6. Step 6: Final answer
    x = 291,573.17

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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.