Home / 224,938.38-310,415.02-122,964.28

Finding the Fourth Proportional to 224,938.38, 310,415.02 and 122,964.28

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Solution

The fourth proportional to 224,938.38, 310,415.02 and 122,964.28 is: 169,690.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,938.38 : 310,415.02 = 122,964.28 : x
  2. Step 2: Convert to fraction form
    224,938.38/310,415.02 = 122,964.28/x
  3. Step 3: Cross multiply
    224,938.38x = 310,415.02 × 122,964.28
  4. Step 4: Simplify right side
    224,938.38x = 38,169,959,435.49
  5. Step 5: Solve for x
    x = 38,169,959,435.49/224,938.38
  6. Step 6: Final answer
    x = 169,690.74

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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.