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Finding the Fourth Proportional to 240,336.84, 360,479.29 and 80,394.63

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Solution

The fourth proportional to 240,336.84, 360,479.29 and 80,394.63 is: 120,583.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,336.84 : 360,479.29 = 80,394.63 : x
  2. Step 2: Convert to fraction form
    240,336.84/360,479.29 = 80,394.63/x
  3. Step 3: Cross multiply
    240,336.84x = 360,479.29 × 80,394.63
  4. Step 4: Simplify right side
    240,336.84x = 28,980,599,142.21
  5. Step 5: Solve for x
    x = 28,980,599,142.21/240,336.84
  6. Step 6: Final answer
    x = 120,583.26

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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.