Home / 402,040.15-554,843.76-265,837.43

Finding the Fourth Proportional to 402,040.15, 554,843.76 and 265,837.43

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Solution

The fourth proportional to 402,040.15, 554,843.76 and 265,837.43 is: 366,874.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,040.15 : 554,843.76 = 265,837.43 : x
  2. Step 2: Convert to fraction form
    402,040.15/554,843.76 = 265,837.43/x
  3. Step 3: Cross multiply
    402,040.15x = 554,843.76 × 265,837.43
  4. Step 4: Simplify right side
    402,040.15x = 147,498,239,209.94
  5. Step 5: Solve for x
    x = 147,498,239,209.94/402,040.15
  6. Step 6: Final answer
    x = 366,874.40

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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.