Home / 247,219.32-370,706.18-78,717.65

Finding the Fourth Proportional to 247,219.32, 370,706.18 and 78,717.65

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Solution

The fourth proportional to 247,219.32, 370,706.18 and 78,717.65 is: 118,037.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,219.32 : 370,706.18 = 78,717.65 : x
  2. Step 2: Convert to fraction form
    247,219.32/370,706.18 = 78,717.65/x
  3. Step 3: Cross multiply
    247,219.32x = 370,706.18 × 78,717.65
  4. Step 4: Simplify right side
    247,219.32x = 29,181,119,330.08
  5. Step 5: Solve for x
    x = 29,181,119,330.08/247,219.32
  6. Step 6: Final answer
    x = 118,037.37

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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.