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Finding the Fourth Proportional to 343,350.80, 513,859.80 and 301,360.40

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Solution

The fourth proportional to 343,350.80, 513,859.80 and 301,360.40 is: 451,016.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,350.80 : 513,859.80 = 301,360.40 : x
  2. Step 2: Convert to fraction form
    343,350.80/513,859.80 = 301,360.40/x
  3. Step 3: Cross multiply
    343,350.80x = 513,859.80 × 301,360.40
  4. Step 4: Simplify right side
    343,350.80x = 154,856,994,871.92
  5. Step 5: Solve for x
    x = 154,856,994,871.92/343,350.80
  6. Step 6: Final answer
    x = 451,016.85

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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.