Home / 346,864.66-520,285.11-147,056.38

Finding the Fourth Proportional to 346,864.66, 520,285.11 and 147,056.38

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Solution

The fourth proportional to 346,864.66, 520,285.11 and 147,056.38 is: 220,579.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,864.66 : 520,285.11 = 147,056.38 : x
  2. Step 2: Convert to fraction form
    346,864.66/520,285.11 = 147,056.38/x
  3. Step 3: Cross multiply
    346,864.66x = 520,285.11 × 147,056.38
  4. Step 4: Simplify right side
    346,864.66x = 76,511,244,844.50
  5. Step 5: Solve for x
    x = 76,511,244,844.50/346,864.66
  6. Step 6: Final answer
    x = 220,579.53

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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.