Home / 434,545.49-651,693.68-130,969.05

Finding the Fourth Proportional to 434,545.49, 651,693.68 and 130,969.05

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Solution

The fourth proportional to 434,545.49, 651,693.68 and 130,969.05 is: 196,416.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,545.49 : 651,693.68 = 130,969.05 : x
  2. Step 2: Convert to fraction form
    434,545.49/651,693.68 = 130,969.05/x
  3. Step 3: Cross multiply
    434,545.49x = 651,693.68 × 130,969.05
  4. Step 4: Simplify right side
    434,545.49x = 85,351,703,955.52
  5. Step 5: Solve for x
    x = 85,351,703,955.52/434,545.49
  6. Step 6: Final answer
    x = 196,416.04

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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.