Home / 346,929.80-520,049.10-159,614.60

Finding the Fourth Proportional to 346,929.80, 520,049.10 and 159,614.60

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Solution

The fourth proportional to 346,929.80, 520,049.10 and 159,614.60 is: 239,262.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,929.80 : 520,049.10 = 159,614.60 : x
  2. Step 2: Convert to fraction form
    346,929.80/520,049.10 = 159,614.60/x
  3. Step 3: Cross multiply
    346,929.80x = 520,049.10 × 159,614.60
  4. Step 4: Simplify right side
    346,929.80x = 83,007,429,076.86
  5. Step 5: Solve for x
    x = 83,007,429,076.86/346,929.80
  6. Step 6: Final answer
    x = 239,262.90

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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.