Home / 347,747.40-521,621.10-170,368.20

Finding the Fourth Proportional to 347,747.40, 521,621.10 and 170,368.20

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Solution

The fourth proportional to 347,747.40, 521,621.10 and 170,368.20 is: 255,552.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,747.40 : 521,621.10 = 170,368.20 : x
  2. Step 2: Convert to fraction form
    347,747.40/521,621.10 = 170,368.20/x
  3. Step 3: Cross multiply
    347,747.40x = 521,621.10 × 170,368.20
  4. Step 4: Simplify right side
    347,747.40x = 88,867,647,889.02
  5. Step 5: Solve for x
    x = 88,867,647,889.02/347,747.40
  6. Step 6: Final answer
    x = 255,552.30

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1.5x scale

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.