Home / 454,829.98-682,402.32-155,521.24

Finding the Fourth Proportional to 454,829.98, 682,402.32 and 155,521.24

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Solution

The fourth proportional to 454,829.98, 682,402.32 and 155,521.24 is: 233,335.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,829.98 : 682,402.32 = 155,521.24 : x
  2. Step 2: Convert to fraction form
    454,829.98/682,402.32 = 155,521.24/x
  3. Step 3: Cross multiply
    454,829.98x = 682,402.32 × 155,521.24
  4. Step 4: Simplify right side
    454,829.98x = 106,128,054,985.28
  5. Step 5: Solve for x
    x = 106,128,054,985.28/454,829.98
  6. Step 6: Final answer
    x = 233,335.66

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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.