Home / 457,619.75-686,455.76-153,892.03

Finding the Fourth Proportional to 457,619.75, 686,455.76 and 153,892.03

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Solution

The fourth proportional to 457,619.75, 686,455.76 and 153,892.03 is: 230,846.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,619.75 : 686,455.76 = 153,892.03 : x
  2. Step 2: Convert to fraction form
    457,619.75/686,455.76 = 153,892.03/x
  3. Step 3: Cross multiply
    457,619.75x = 686,455.76 × 153,892.03
  4. Step 4: Simplify right side
    457,619.75x = 105,640,067,925.99
  5. Step 5: Solve for x
    x = 105,640,067,925.99/457,619.75
  6. Step 6: Final answer
    x = 230,846.83

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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.