Home / 377,330.12-520,668.30-255,088.52

Finding the Fourth Proportional to 377,330.12, 520,668.30 and 255,088.52

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Solution

The fourth proportional to 377,330.12, 520,668.30 and 255,088.52 is: 351,990.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,330.12 : 520,668.30 = 255,088.52 : x
  2. Step 2: Convert to fraction form
    377,330.12/520,668.30 = 255,088.52/x
  3. Step 3: Cross multiply
    377,330.12x = 520,668.30 × 255,088.52
  4. Step 4: Simplify right side
    377,330.12x = 132,816,506,057.92
  5. Step 5: Solve for x
    x = 132,816,506,057.92/377,330.12
  6. Step 6: Final answer
    x = 351,990.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.