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Finding the Fourth Proportional to 283,504.32, 425,520 and 143,363.52

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Solution

The fourth proportional to 283,504.32, 425,520 and 143,363.52 is: 215,178.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,504.32 : 425,520 = 143,363.52 : x
  2. Step 2: Convert to fraction form
    283,504.32/425,520 = 143,363.52/x
  3. Step 3: Cross multiply
    283,504.32x = 425,520 × 143,363.52
  4. Step 4: Simplify right side
    283,504.32x = 61,004,045,030.40
  5. Step 5: Solve for x
    x = 61,004,045,030.40/283,504.32
  6. Step 6: Final answer
    x = 215,178.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.