Home / 285,482.12-428,230.16-95,945.28

Finding the Fourth Proportional to 285,482.12, 428,230.16 and 95,945.28

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Solution

The fourth proportional to 285,482.12, 428,230.16 and 95,945.28 is: 143,920.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,482.12 : 428,230.16 = 95,945.28 : x
  2. Step 2: Convert to fraction form
    285,482.12/428,230.16 = 95,945.28/x
  3. Step 3: Cross multiply
    285,482.12x = 428,230.16 × 95,945.28
  4. Step 4: Simplify right side
    285,482.12x = 41,086,662,605.64
  5. Step 5: Solve for x
    x = 41,086,662,605.64/285,482.12
  6. Step 6: Final answer
    x = 143,920.27

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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.