Home / 304,869.30-457,352.55-127,284.90

Finding the Fourth Proportional to 304,869.30, 457,352.55 and 127,284.90

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Solution

The fourth proportional to 304,869.30, 457,352.55 and 127,284.90 is: 190,947.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,869.30 : 457,352.55 = 127,284.90 : x
  2. Step 2: Convert to fraction form
    304,869.30/457,352.55 = 127,284.90/x
  3. Step 3: Cross multiply
    304,869.30x = 457,352.55 × 127,284.90
  4. Step 4: Simplify right side
    304,869.30x = 58,214,073,591.50
  5. Step 5: Solve for x
    x = 58,214,073,591.50/304,869.30
  6. Step 6: Final answer
    x = 190,947.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.