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Finding the Fourth Proportional to 224,851.47, 310,326.68 and 143,153.63

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Solution

The fourth proportional to 224,851.47, 310,326.68 and 143,153.63 is: 197,572.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,851.47 : 310,326.68 = 143,153.63 : x
  2. Step 2: Convert to fraction form
    224,851.47/310,326.68 = 143,153.63/x
  3. Step 3: Cross multiply
    224,851.47x = 310,326.68 × 143,153.63
  4. Step 4: Simplify right side
    224,851.47x = 44,424,389,892.59
  5. Step 5: Solve for x
    x = 44,424,389,892.59/224,851.47
  6. Step 6: Final answer
    x = 197,572.16

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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.