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Finding the Fourth Proportional to 280,029.70, 419,726.66 and 246,230.30

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Solution

The fourth proportional to 280,029.70, 419,726.66 and 246,230.30 is: 369,065.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,029.70 : 419,726.66 = 246,230.30 : x
  2. Step 2: Convert to fraction form
    280,029.70/419,726.66 = 246,230.30/x
  3. Step 3: Cross multiply
    280,029.70x = 419,726.66 × 246,230.30
  4. Step 4: Simplify right side
    280,029.70x = 103,349,420,740.01
  5. Step 5: Solve for x
    x = 103,349,420,740.01/280,029.70
  6. Step 6: Final answer
    x = 369,065.93

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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.