Home / 466,641.28-643,959.36-265,436.80

Finding the Fourth Proportional to 466,641.28, 643,959.36 and 265,436.80

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Solution

The fourth proportional to 466,641.28, 643,959.36 and 265,436.80 is: 366,299.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,641.28 : 643,959.36 = 265,436.80 : x
  2. Step 2: Convert to fraction form
    466,641.28/643,959.36 = 265,436.80/x
  3. Step 3: Cross multiply
    466,641.28x = 643,959.36 × 265,436.80
  4. Step 4: Simplify right side
    466,641.28x = 170,930,511,848.45
  5. Step 5: Solve for x
    x = 170,930,511,848.45/466,641.28
  6. Step 6: Final answer
    x = 366,299.59

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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.