Home / 454,374.46-681,684.40-138,822.76

Finding the Fourth Proportional to 454,374.46, 681,684.40 and 138,822.76

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Solution

The fourth proportional to 454,374.46, 681,684.40 and 138,822.76 is: 208,271.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,374.46 : 681,684.40 = 138,822.76 : x
  2. Step 2: Convert to fraction form
    454,374.46/681,684.40 = 138,822.76/x
  3. Step 3: Cross multiply
    454,374.46x = 681,684.40 × 138,822.76
  4. Step 4: Simplify right side
    454,374.46x = 94,633,306,448.52
  5. Step 5: Solve for x
    x = 94,633,306,448.52/454,374.46
  6. Step 6: Final answer
    x = 208,271.63

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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.