Home / 434,719.20-652,078.80-248,095.20

Finding the Fourth Proportional to 434,719.20, 652,078.80 and 248,095.20

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Solution

The fourth proportional to 434,719.20, 652,078.80 and 248,095.20 is: 372,142.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,719.20 : 652,078.80 = 248,095.20 : x
  2. Step 2: Convert to fraction form
    434,719.20/652,078.80 = 248,095.20/x
  3. Step 3: Cross multiply
    434,719.20x = 652,078.80 × 248,095.20
  4. Step 4: Simplify right side
    434,719.20x = 161,777,620,301.76
  5. Step 5: Solve for x
    x = 161,777,620,301.76/434,719.20
  6. Step 6: Final answer
    x = 372,142.80

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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.