Home / 457,922.07-686,987.73-158,402.43

Finding the Fourth Proportional to 457,922.07, 686,987.73 and 158,402.43

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Solution

The fourth proportional to 457,922.07, 686,987.73 and 158,402.43 is: 237,639.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,922.07 : 686,987.73 = 158,402.43 : x
  2. Step 2: Convert to fraction form
    457,922.07/686,987.73 = 158,402.43/x
  3. Step 3: Cross multiply
    457,922.07x = 686,987.73 × 158,402.43
  4. Step 4: Simplify right side
    457,922.07x = 108,820,525,812.18
  5. Step 5: Solve for x
    x = 108,820,525,812.18/457,922.07
  6. Step 6: Final answer
    x = 237,639.84

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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.