Home / 285,541.32-428,010.59-95,821.81

Finding the Fourth Proportional to 285,541.32, 428,010.59 and 95,821.81

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Solution

The fourth proportional to 285,541.32, 428,010.59 and 95,821.81 is: 143,631.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,541.32 : 428,010.59 = 95,821.81 : x
  2. Step 2: Convert to fraction form
    285,541.32/428,010.59 = 95,821.81/x
  3. Step 3: Cross multiply
    285,541.32x = 428,010.59 × 95,821.81
  4. Step 4: Simplify right side
    285,541.32x = 41,012,746,813.81
  5. Step 5: Solve for x
    x = 41,012,746,813.81/285,541.32
  6. Step 6: Final answer
    x = 143,631.57

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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.