Home / 305,060.21-457,446.89-112,801.80

Finding the Fourth Proportional to 305,060.21, 457,446.89 and 112,801.80

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Solution

The fourth proportional to 305,060.21, 457,446.89 and 112,801.80 is: 169,149.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,060.21 : 457,446.89 = 112,801.80 : x
  2. Step 2: Convert to fraction form
    305,060.21/457,446.89 = 112,801.80/x
  3. Step 3: Cross multiply
    305,060.21x = 457,446.89 × 112,801.80
  4. Step 4: Simplify right side
    305,060.21x = 51,600,830,888.78
  5. Step 5: Solve for x
    x = 51,600,830,888.78/305,060.21
  6. Step 6: Final answer
    x = 169,149.66

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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.