Home / 377,897.46-521,535.34-282,238.08

Finding the Fourth Proportional to 377,897.46, 521,535.34 and 282,238.08

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Solution

The fourth proportional to 377,897.46, 521,535.34 and 282,238.08 is: 389,516.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,897.46 : 521,535.34 = 282,238.08 : x
  2. Step 2: Convert to fraction form
    377,897.46/521,535.34 = 282,238.08/x
  3. Step 3: Cross multiply
    377,897.46x = 521,535.34 × 282,238.08
  4. Step 4: Simplify right side
    377,897.46x = 147,197,133,013.75
  5. Step 5: Solve for x
    x = 147,197,133,013.75/377,897.46
  6. Step 6: Final answer
    x = 389,516.07

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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.