Home / 239,715.32-330,814.10-130,826.65

Finding the Fourth Proportional to 239,715.32, 330,814.10 and 130,826.65

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Solution

The fourth proportional to 239,715.32, 330,814.10 and 130,826.65 is: 180,544.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,715.32 : 330,814.10 = 130,826.65 : x
  2. Step 2: Convert to fraction form
    239,715.32/330,814.10 = 130,826.65/x
  3. Step 3: Cross multiply
    239,715.32x = 330,814.10 × 130,826.65
  4. Step 4: Simplify right side
    239,715.32x = 43,279,300,475.77
  5. Step 5: Solve for x
    x = 43,279,300,475.77/239,715.32
  6. Step 6: Final answer
    x = 180,544.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.