Home / 432,629.92-648,967.98-133,316.08

Finding the Fourth Proportional to 432,629.92, 648,967.98 and 133,316.08

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Solution

The fourth proportional to 432,629.92, 648,967.98 and 133,316.08 is: 199,981.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,629.92 : 648,967.98 = 133,316.08 : x
  2. Step 2: Convert to fraction form
    432,629.92/648,967.98 = 133,316.08/x
  3. Step 3: Cross multiply
    432,629.92x = 648,967.98 × 133,316.08
  4. Step 4: Simplify right side
    432,629.92x = 86,517,867,139.12
  5. Step 5: Solve for x
    x = 86,517,867,139.12/432,629.92
  6. Step 6: Final answer
    x = 199,981.24

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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.