Home / 239,335.26-330,278.38-130,440.58

Finding the Fourth Proportional to 239,335.26, 330,278.38 and 130,440.58

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Solution

The fourth proportional to 239,335.26, 330,278.38 and 130,440.58 is: 180,005.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,335.26 : 330,278.38 = 130,440.58 : x
  2. Step 2: Convert to fraction form
    239,335.26/330,278.38 = 130,440.58/x
  3. Step 3: Cross multiply
    239,335.26x = 330,278.38 × 130,440.58
  4. Step 4: Simplify right side
    239,335.26x = 43,081,702,296.86
  5. Step 5: Solve for x
    x = 43,081,702,296.86/239,335.26
  6. Step 6: Final answer
    x = 180,005.67

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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.