Home / 302,117.20-452,657.40-144,005.20

Finding the Fourth Proportional to 302,117.20, 452,657.40 and 144,005.20

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Solution

The fourth proportional to 302,117.20, 452,657.40 and 144,005.20 is: 215,760.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,117.20 : 452,657.40 = 144,005.20 : x
  2. Step 2: Convert to fraction form
    302,117.20/452,657.40 = 144,005.20/x
  3. Step 3: Cross multiply
    302,117.20x = 452,657.40 × 144,005.20
  4. Step 4: Simplify right side
    302,117.20x = 65,185,019,418.48
  5. Step 5: Solve for x
    x = 65,185,019,418.48/302,117.20
  6. Step 6: Final answer
    x = 215,760.70

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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.