Home / 280,233.50-420,574.41-147,192.21

Finding the Fourth Proportional to 280,233.50, 420,574.41 and 147,192.21

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Solution

The fourth proportional to 280,233.50, 420,574.41 and 147,192.21 is: 220,906.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,233.50 : 420,574.41 = 147,192.21 : x
  2. Step 2: Convert to fraction form
    280,233.50/420,574.41 = 147,192.21/x
  3. Step 3: Cross multiply
    280,233.50x = 420,574.41 × 147,192.21
  4. Step 4: Simplify right side
    280,233.50x = 61,905,276,877.35
  5. Step 5: Solve for x
    x = 61,905,276,877.35/280,233.50
  6. Step 6: Final answer
    x = 220,906.06

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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.