Home / 347,301.40-520,952.10-198,002.20

Finding the Fourth Proportional to 347,301.40, 520,952.10 and 198,002.20

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Solution

The fourth proportional to 347,301.40, 520,952.10 and 198,002.20 is: 297,003.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,301.40 : 520,952.10 = 198,002.20 : x
  2. Step 2: Convert to fraction form
    347,301.40/520,952.10 = 198,002.20/x
  3. Step 3: Cross multiply
    347,301.40x = 520,952.10 × 198,002.20
  4. Step 4: Simplify right side
    347,301.40x = 103,149,661,894.62
  5. Step 5: Solve for x
    x = 103,149,661,894.62/347,301.40
  6. Step 6: Final answer
    x = 297,003.30

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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.