Home / 304,330.20-456,495.30-126,778.20

Finding the Fourth Proportional to 304,330.20, 456,495.30 and 126,778.20

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Solution

The fourth proportional to 304,330.20, 456,495.30 and 126,778.20 is: 190,167.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,330.20 : 456,495.30 = 126,778.20 : x
  2. Step 2: Convert to fraction form
    304,330.20/456,495.30 = 126,778.20/x
  3. Step 3: Cross multiply
    304,330.20x = 456,495.30 × 126,778.20
  4. Step 4: Simplify right side
    304,330.20x = 57,873,652,442.46
  5. Step 5: Solve for x
    x = 57,873,652,442.46/304,330.20
  6. Step 6: Final answer
    x = 190,167.30

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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.