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Finding the Fourth Proportional to 224,763.63, 310,182.72 and 129,270.21

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Solution

The fourth proportional to 224,763.63, 310,182.72 and 129,270.21 is: 178,398.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,763.63 : 310,182.72 = 129,270.21 : x
  2. Step 2: Convert to fraction form
    224,763.63/310,182.72 = 129,270.21/x
  3. Step 3: Cross multiply
    224,763.63x = 310,182.72 × 129,270.21
  4. Step 4: Simplify right side
    224,763.63x = 40,097,383,155.51
  5. Step 5: Solve for x
    x = 40,097,383,155.51/224,763.63
  6. Step 6: Final answer
    x = 178,398.01

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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.