Home / 240,629.10-360,819.06-128,279.15

Finding the Fourth Proportional to 240,629.10, 360,819.06 and 128,279.15

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Solution

The fourth proportional to 240,629.10, 360,819.06 and 128,279.15 is: 192,352.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,629.10 : 360,819.06 = 128,279.15 : x
  2. Step 2: Convert to fraction form
    240,629.10/360,819.06 = 128,279.15/x
  3. Step 3: Cross multiply
    240,629.10x = 360,819.06 × 128,279.15
  4. Step 4: Simplify right side
    240,629.10x = 46,285,562,320.60
  5. Step 5: Solve for x
    x = 46,285,562,320.60/240,629.10
  6. Step 6: Final answer
    x = 192,352.31

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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.