Home / 370,541.57-511,347.73-200,775.70

Finding the Fourth Proportional to 370,541.57, 511,347.73 and 200,775.70

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Solution

The fourth proportional to 370,541.57, 511,347.73 and 200,775.70 is: 277,070.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,541.57 : 511,347.73 = 200,775.70 : x
  2. Step 2: Convert to fraction form
    370,541.57/511,347.73 = 200,775.70/x
  3. Step 3: Cross multiply
    370,541.57x = 511,347.73 × 200,775.70
  4. Step 4: Simplify right side
    370,541.57x = 102,666,195,877.42
  5. Step 5: Solve for x
    x = 102,666,195,877.42/370,541.57
  6. Step 6: Final answer
    x = 277,070.66

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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.