Home / 331,414.40-457,521.60-224,547.20

Finding the Fourth Proportional to 331,414.40, 457,521.60 and 224,547.20

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Solution

The fourth proportional to 331,414.40, 457,521.60 and 224,547.20 is: 309,990.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,414.40 : 457,521.60 = 224,547.20 : x
  2. Step 2: Convert to fraction form
    331,414.40/457,521.60 = 224,547.20/x
  3. Step 3: Cross multiply
    331,414.40x = 457,521.60 × 224,547.20
  4. Step 4: Simplify right side
    331,414.40x = 102,735,194,219.52
  5. Step 5: Solve for x
    x = 102,735,194,219.52/331,414.40
  6. Step 6: Final answer
    x = 309,990.13

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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.