Home / 439,358.04-659,096.10-154,981.80

Finding the Fourth Proportional to 439,358.04, 659,096.10 and 154,981.80

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Solution

The fourth proportional to 439,358.04, 659,096.10 and 154,981.80 is: 232,493.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,358.04 : 659,096.10 = 154,981.80 : x
  2. Step 2: Convert to fraction form
    439,358.04/659,096.10 = 154,981.80/x
  3. Step 3: Cross multiply
    439,358.04x = 659,096.10 × 154,981.80
  4. Step 4: Simplify right side
    439,358.04x = 102,147,899,950.98
  5. Step 5: Solve for x
    x = 102,147,899,950.98/439,358.04
  6. Step 6: Final answer
    x = 232,493.53

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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.