Home / 282,233.28-423,423.69-163,790.76

Finding the Fourth Proportional to 282,233.28, 423,423.69 and 163,790.76

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Solution

The fourth proportional to 282,233.28, 423,423.69 and 163,790.76 is: 245,728.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,233.28 : 423,423.69 = 163,790.76 : x
  2. Step 2: Convert to fraction form
    282,233.28/423,423.69 = 163,790.76/x
  3. Step 3: Cross multiply
    282,233.28x = 423,423.69 × 163,790.76
  4. Step 4: Simplify right side
    282,233.28x = 69,352,887,987.10
  5. Step 5: Solve for x
    x = 69,352,887,987.10/282,233.28
  6. Step 6: Final answer
    x = 245,728.95

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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.