Home / 370,890.06-511,827.03-201,123.78

Finding the Fourth Proportional to 370,890.06, 511,827.03 and 201,123.78

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Solution

The fourth proportional to 370,890.06, 511,827.03 and 201,123.78 is: 277,550.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,890.06 : 511,827.03 = 201,123.78 : x
  2. Step 2: Convert to fraction form
    370,890.06/511,827.03 = 201,123.78/x
  3. Step 3: Cross multiply
    370,890.06x = 511,827.03 × 201,123.78
  4. Step 4: Simplify right side
    370,890.06x = 102,940,586,979.77
  5. Step 5: Solve for x
    x = 102,940,586,979.77/370,890.06
  6. Step 6: Final answer
    x = 277,550.14

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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.