Home / 454,557.85-681,727.42-139,017.49

Finding the Fourth Proportional to 454,557.85, 681,727.42 and 139,017.49

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Solution

The fourth proportional to 454,557.85, 681,727.42 and 139,017.49 is: 208,492.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,557.85 : 681,727.42 = 139,017.49 : x
  2. Step 2: Convert to fraction form
    454,557.85/681,727.42 = 139,017.49/x
  3. Step 3: Cross multiply
    454,557.85x = 681,727.42 × 139,017.49
  4. Step 4: Simplify right side
    454,557.85x = 94,772,034,792.58
  5. Step 5: Solve for x
    x = 94,772,034,792.58/454,557.85
  6. Step 6: Final answer
    x = 208,492.79

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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.