Home / 499,246.80-748,870.20-144,272.40

Finding the Fourth Proportional to 499,246.80, 748,870.20 and 144,272.40

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Solution

The fourth proportional to 499,246.80, 748,870.20 and 144,272.40 is: 216,408.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,246.80 : 748,870.20 = 144,272.40 : x
  2. Step 2: Convert to fraction form
    499,246.80/748,870.20 = 144,272.40/x
  3. Step 3: Cross multiply
    499,246.80x = 748,870.20 × 144,272.40
  4. Step 4: Simplify right side
    499,246.80x = 108,041,301,042.48
  5. Step 5: Solve for x
    x = 108,041,301,042.48/499,246.80
  6. Step 6: Final answer
    x = 216,408.60

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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.