Home / 285,941.30-428,765.49-151,077.77

Finding the Fourth Proportional to 285,941.30, 428,765.49 and 151,077.77

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Solution

The fourth proportional to 285,941.30, 428,765.49 and 151,077.77 is: 226,539.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,941.30 : 428,765.49 = 151,077.77 : x
  2. Step 2: Convert to fraction form
    285,941.30/428,765.49 = 151,077.77/x
  3. Step 3: Cross multiply
    285,941.30x = 428,765.49 × 151,077.77
  4. Step 4: Simplify right side
    285,941.30x = 64,776,934,082.16
  5. Step 5: Solve for x
    x = 64,776,934,082.16/285,941.30
  6. Step 6: Final answer
    x = 226,539.27

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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.