Home / 224,619.68-309,972.80-122,644.84

Finding the Fourth Proportional to 224,619.68, 309,972.80 and 122,644.84

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Solution

The fourth proportional to 224,619.68, 309,972.80 and 122,644.84 is: 169,248.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,619.68 : 309,972.80 = 122,644.84 : x
  2. Step 2: Convert to fraction form
    224,619.68/309,972.80 = 122,644.84/x
  3. Step 3: Cross multiply
    224,619.68x = 309,972.80 × 122,644.84
  4. Step 4: Simplify right side
    224,619.68x = 38,016,564,460.35
  5. Step 5: Solve for x
    x = 38,016,564,460.35/224,619.68
  6. Step 6: Final answer
    x = 169,248.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.