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Finding the Fourth Proportional to 403,796.50, 557,250.70 and 224,960.02

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Solution

The fourth proportional to 403,796.50, 557,250.70 and 224,960.02 is: 310,451.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,796.50 : 557,250.70 = 224,960.02 : x
  2. Step 2: Convert to fraction form
    403,796.50/557,250.70 = 224,960.02/x
  3. Step 3: Cross multiply
    403,796.50x = 557,250.70 × 224,960.02
  4. Step 4: Simplify right side
    403,796.50x = 125,359,128,617.01
  5. Step 5: Solve for x
    x = 125,359,128,617.01/403,796.50
  6. Step 6: Final answer
    x = 310,451.25

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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.