Home / 302,257.20-452,867.40-144,145.20

Finding the Fourth Proportional to 302,257.20, 452,867.40 and 144,145.20

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Solution

The fourth proportional to 302,257.20, 452,867.40 and 144,145.20 is: 215,970.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,257.20 : 452,867.40 = 144,145.20 : x
  2. Step 2: Convert to fraction form
    302,257.20/452,867.40 = 144,145.20/x
  3. Step 3: Cross multiply
    302,257.20x = 452,867.40 × 144,145.20
  4. Step 4: Simplify right side
    302,257.20x = 65,278,661,946.48
  5. Step 5: Solve for x
    x = 65,278,661,946.48/302,257.20
  6. Step 6: Final answer
    x = 215,970.58

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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.