Home / 454,220.48-681,436.13-154,703.65

Finding the Fourth Proportional to 454,220.48, 681,436.13 and 154,703.65

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Solution

The fourth proportional to 454,220.48, 681,436.13 and 154,703.65 is: 232,091.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,220.48 : 681,436.13 = 154,703.65 : x
  2. Step 2: Convert to fraction form
    454,220.48/681,436.13 = 154,703.65/x
  3. Step 3: Cross multiply
    454,220.48x = 681,436.13 × 154,703.65
  4. Step 4: Simplify right side
    454,220.48x = 105,420,656,552.88
  5. Step 5: Solve for x
    x = 105,420,656,552.88/454,220.48
  6. Step 6: Final answer
    x = 232,091.38

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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.