Home / 370,541.79-511,348.55-200,775.92

Finding the Fourth Proportional to 370,541.79, 511,348.55 and 200,775.92

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Solution

The fourth proportional to 370,541.79, 511,348.55 and 200,775.92 is: 277,071.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,541.79 : 511,348.55 = 200,775.92 : x
  2. Step 2: Convert to fraction form
    370,541.79/511,348.55 = 200,775.92/x
  3. Step 3: Cross multiply
    370,541.79x = 511,348.55 × 200,775.92
  4. Step 4: Simplify right side
    370,541.79x = 102,666,472,006.29
  5. Step 5: Solve for x
    x = 102,666,472,006.29/370,541.79
  6. Step 6: Final answer
    x = 277,071.24

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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.