Home / 316,276.20-474,414.30-290,615.40

Finding the Fourth Proportional to 316,276.20, 474,414.30 and 290,615.40

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Solution

The fourth proportional to 316,276.20, 474,414.30 and 290,615.40 is: 435,923.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,276.20 : 474,414.30 = 290,615.40 : x
  2. Step 2: Convert to fraction form
    316,276.20/474,414.30 = 290,615.40/x
  3. Step 3: Cross multiply
    316,276.20x = 474,414.30 × 290,615.40
  4. Step 4: Simplify right side
    316,276.20x = 137,872,101,560.22
  5. Step 5: Solve for x
    x = 137,872,101,560.22/316,276.20
  6. Step 6: Final answer
    x = 435,923.10

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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.