Home / 285,941.24-428,474.46-152,840.42

Finding the Fourth Proportional to 285,941.24, 428,474.46 and 152,840.42

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Solution

The fourth proportional to 285,941.24, 428,474.46 and 152,840.42 is: 229,026.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,941.24 : 428,474.46 = 152,840.42 : x
  2. Step 2: Convert to fraction form
    285,941.24/428,474.46 = 152,840.42/x
  3. Step 3: Cross multiply
    285,941.24x = 428,474.46 × 152,840.42
  4. Step 4: Simplify right side
    285,941.24x = 65,488,216,425.67
  5. Step 5: Solve for x
    x = 65,488,216,425.67/285,941.24
  6. Step 6: Final answer
    x = 229,026.83

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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.