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Finding the Fourth Proportional to 224,765.63, 310,185.48 and 129,272.21

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Solution

The fourth proportional to 224,765.63, 310,185.48 and 129,272.21 is: 178,400.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,765.63 : 310,185.48 = 129,272.21 : x
  2. Step 2: Convert to fraction form
    224,765.63/310,185.48 = 129,272.21/x
  3. Step 3: Cross multiply
    224,765.63x = 310,185.48 × 129,272.21
  4. Step 4: Simplify right side
    224,765.63x = 40,098,362,509.51
  5. Step 5: Solve for x
    x = 40,098,362,509.51/224,765.63
  6. Step 6: Final answer
    x = 178,400.77

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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.