Home / 304,531.60-456,432.90-126,947.20

Finding the Fourth Proportional to 304,531.60, 456,432.90 and 126,947.20

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Solution

The fourth proportional to 304,531.60, 456,432.90 and 126,947.20 is: 190,268.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,531.60 : 456,432.90 = 126,947.20 : x
  2. Step 2: Convert to fraction form
    304,531.60/456,432.90 = 126,947.20/x
  3. Step 3: Cross multiply
    304,531.60x = 456,432.90 × 126,947.20
  4. Step 4: Simplify right side
    304,531.60x = 57,942,878,642.88
  5. Step 5: Solve for x
    x = 57,942,878,642.88/304,531.60
  6. Step 6: Final answer
    x = 190,268.85

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1.5x scale

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.