Home / 303,929.34-419,430.87-167,972.10

Finding the Fourth Proportional to 303,929.34, 419,430.87 and 167,972.10

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Solution

The fourth proportional to 303,929.34, 419,430.87 and 167,972.10 is: 231,806.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,929.34 : 419,430.87 = 167,972.10 : x
  2. Step 2: Convert to fraction form
    303,929.34/419,430.87 = 167,972.10/x
  3. Step 3: Cross multiply
    303,929.34x = 419,430.87 × 167,972.10
  4. Step 4: Simplify right side
    303,929.34x = 70,452,684,038.73
  5. Step 5: Solve for x
    x = 70,452,684,038.73/303,929.34
  6. Step 6: Final answer
    x = 231,806.13

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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.