Home / 257,864.04-386,624.52-131,550.12

Finding the Fourth Proportional to 257,864.04, 386,624.52 and 131,550.12

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Solution

The fourth proportional to 257,864.04, 386,624.52 and 131,550.12 is: 197,237.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,864.04 : 386,624.52 = 131,550.12 : x
  2. Step 2: Convert to fraction form
    257,864.04/386,624.52 = 131,550.12/x
  3. Step 3: Cross multiply
    257,864.04x = 386,624.52 × 131,550.12
  4. Step 4: Simplify right side
    257,864.04x = 50,860,502,000.94
  5. Step 5: Solve for x
    x = 50,860,502,000.94/257,864.04
  6. Step 6: Final answer
    x = 197,237.67

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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.