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Finding the Fourth Proportional to 370,630.89, 511,200.32 and 234,686.97

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Solution

The fourth proportional to 370,630.89, 511,200.32 and 234,686.97 is: 323,696.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,630.89 : 511,200.32 = 234,686.97 : x
  2. Step 2: Convert to fraction form
    370,630.89/511,200.32 = 234,686.97/x
  3. Step 3: Cross multiply
    370,630.89x = 511,200.32 × 234,686.97
  4. Step 4: Simplify right side
    370,630.89x = 119,972,052,990.40
  5. Step 5: Solve for x
    x = 119,972,052,990.40/370,630.89
  6. Step 6: Final answer
    x = 323,696.85

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1.5x scale

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.