Home / 347,821.80-521,732.70-170,356.20

Finding the Fourth Proportional to 347,821.80, 521,732.70 and 170,356.20

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Solution

The fourth proportional to 347,821.80, 521,732.70 and 170,356.20 is: 255,534.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,821.80 : 521,732.70 = 170,356.20 : x
  2. Step 2: Convert to fraction form
    347,821.80/521,732.70 = 170,356.20/x
  3. Step 3: Cross multiply
    347,821.80x = 521,732.70 × 170,356.20
  4. Step 4: Simplify right side
    347,821.80x = 88,880,400,187.74
  5. Step 5: Solve for x
    x = 88,880,400,187.74/347,821.80
  6. Step 6: Final answer
    x = 255,534.30

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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.