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Finding the Fourth Proportional to 239,599.08, 359,360.54 and 79,661.72

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Solution

The fourth proportional to 239,599.08, 359,360.54 and 79,661.72 is: 119,479.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,599.08 : 359,360.54 = 79,661.72 : x
  2. Step 2: Convert to fraction form
    239,599.08/359,360.54 = 79,661.72/x
  3. Step 3: Cross multiply
    239,599.08x = 359,360.54 × 79,661.72
  4. Step 4: Simplify right side
    239,599.08x = 28,627,276,820.15
  5. Step 5: Solve for x
    x = 28,627,276,820.15/239,599.08
  6. Step 6: Final answer
    x = 119,479.91

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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.