Home / 220,478.64-304,260.12-119,876.40

Finding the Fourth Proportional to 220,478.64, 304,260.12 and 119,876.40

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Solution

The fourth proportional to 220,478.64, 304,260.12 and 119,876.40 is: 165,429.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,478.64 : 304,260.12 = 119,876.40 : x
  2. Step 2: Convert to fraction form
    220,478.64/304,260.12 = 119,876.40/x
  3. Step 3: Cross multiply
    220,478.64x = 304,260.12 × 119,876.40
  4. Step 4: Simplify right side
    220,478.64x = 36,473,607,849.17
  5. Step 5: Solve for x
    x = 36,473,607,849.17/220,478.64
  6. Step 6: Final answer
    x = 165,429.21

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1.5x scale

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.