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Finding the Fourth Proportional to 454,329.84, 681,492.94 and 170,041.71

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Solution

The fourth proportional to 454,329.84, 681,492.94 and 170,041.71 is: 255,061.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,329.84 : 681,492.94 = 170,041.71 : x
  2. Step 2: Convert to fraction form
    454,329.84/681,492.94 = 170,041.71/x
  3. Step 3: Cross multiply
    454,329.84x = 681,492.94 × 170,041.71
  4. Step 4: Simplify right side
    454,329.84x = 115,882,227,001.02
  5. Step 5: Solve for x
    x = 115,882,227,001.02/454,329.84
  6. Step 6: Final answer
    x = 255,061.89

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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.