Home / 370,697.06-511,562.16-200,931.18

Finding the Fourth Proportional to 370,697.06, 511,562.16 and 200,931.18

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Solution

The fourth proportional to 370,697.06, 511,562.16 and 200,931.18 is: 277,285.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,697.06 : 511,562.16 = 200,931.18 : x
  2. Step 2: Convert to fraction form
    370,697.06/511,562.16 = 200,931.18/x
  3. Step 3: Cross multiply
    370,697.06x = 511,562.16 × 200,931.18
  4. Step 4: Simplify right side
    370,697.06x = 102,788,788,452.15
  5. Step 5: Solve for x
    x = 102,788,788,452.15/370,697.06
  6. Step 6: Final answer
    x = 277,285.15

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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.