Home / 304,278.20-456,417.30-126,726.20

Finding the Fourth Proportional to 304,278.20, 456,417.30 and 126,726.20

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Solution

The fourth proportional to 304,278.20, 456,417.30 and 126,726.20 is: 190,089.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,278.20 : 456,417.30 = 126,726.20 : x
  2. Step 2: Convert to fraction form
    304,278.20/456,417.30 = 126,726.20/x
  3. Step 3: Cross multiply
    304,278.20x = 456,417.30 × 126,726.20
  4. Step 4: Simplify right side
    304,278.20x = 57,840,030,043.26
  5. Step 5: Solve for x
    x = 57,840,030,043.26/304,278.20
  6. Step 6: Final answer
    x = 190,089.30

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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.