Home / 346,966.80-520,061.40-147,253.20

Finding the Fourth Proportional to 346,966.80, 520,061.40 and 147,253.20

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Solution

The fourth proportional to 346,966.80, 520,061.40 and 147,253.20 is: 220,714.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,966.80 : 520,061.40 = 147,253.20 : x
  2. Step 2: Convert to fraction form
    346,966.80/520,061.40 = 147,253.20/x
  3. Step 3: Cross multiply
    346,966.80x = 520,061.40 × 147,253.20
  4. Step 4: Simplify right side
    346,966.80x = 76,580,705,346.48
  5. Step 5: Solve for x
    x = 76,580,705,346.48/346,966.80
  6. Step 6: Final answer
    x = 220,714.79

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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.