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Finding the Fourth Proportional to 308,250.95, 425,389.25 and 180,928.67

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Solution

The fourth proportional to 308,250.95, 425,389.25 and 180,928.67 is: 249,683.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,250.95 : 425,389.25 = 180,928.67 : x
  2. Step 2: Convert to fraction form
    308,250.95/425,389.25 = 180,928.67/x
  3. Step 3: Cross multiply
    308,250.95x = 425,389.25 × 180,928.67
  4. Step 4: Simplify right side
    308,250.95x = 76,965,109,560.17
  5. Step 5: Solve for x
    x = 76,965,109,560.17/308,250.95
  6. Step 6: Final answer
    x = 249,683.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.