Home / 285,541.64-428,011.05-95,822.12

Finding the Fourth Proportional to 285,541.64, 428,011.05 and 95,822.12

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Solution

The fourth proportional to 285,541.64, 428,011.05 and 95,822.12 is: 143,632.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,541.64 : 428,011.05 = 95,822.12 : x
  2. Step 2: Convert to fraction form
    285,541.64/428,011.05 = 95,822.12/x
  3. Step 3: Cross multiply
    285,541.64x = 428,011.05 × 95,822.12
  4. Step 4: Simplify right side
    285,541.64x = 41,012,927,623.79
  5. Step 5: Solve for x
    x = 41,012,927,623.79/285,541.64
  6. Step 6: Final answer
    x = 143,632.04

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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.