Home / 306,772.04-423,341.38-177,728.11

Finding the Fourth Proportional to 306,772.04, 423,341.38 and 177,728.11

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Solution

The fourth proportional to 306,772.04, 423,341.38 and 177,728.11 is: 245,262.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,772.04 : 423,341.38 = 177,728.11 : x
  2. Step 2: Convert to fraction form
    306,772.04/423,341.38 = 177,728.11/x
  3. Step 3: Cross multiply
    306,772.04x = 423,341.38 × 177,728.11
  4. Step 4: Simplify right side
    306,772.04x = 75,239,661,849.52
  5. Step 5: Solve for x
    x = 75,239,661,849.52/306,772.04
  6. Step 6: Final answer
    x = 245,262.45

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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.