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Finding the Fourth Proportional to 343,301.60, 514,952.40 and 231,327.20

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Solution

The fourth proportional to 343,301.60, 514,952.40 and 231,327.20 is: 346,990.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,301.60 : 514,952.40 = 231,327.20 : x
  2. Step 2: Convert to fraction form
    343,301.60/514,952.40 = 231,327.20/x
  3. Step 3: Cross multiply
    343,301.60x = 514,952.40 × 231,327.20
  4. Step 4: Simplify right side
    343,301.60x = 119,122,496,825.28
  5. Step 5: Solve for x
    x = 119,122,496,825.28/343,301.60
  6. Step 6: Final answer
    x = 346,990.80

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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.