Home / 219,155.40-328,708.80-179,643.60

Finding the Fourth Proportional to 219,155.40, 328,708.80 and 179,643.60

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Solution

The fourth proportional to 219,155.40, 328,708.80 and 179,643.60 is: 269,445.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,155.40 : 328,708.80 = 179,643.60 : x
  2. Step 2: Convert to fraction form
    219,155.40/328,708.80 = 179,643.60/x
  3. Step 3: Cross multiply
    219,155.40x = 328,708.80 × 179,643.60
  4. Step 4: Simplify right side
    219,155.40x = 59,050,432,183.68
  5. Step 5: Solve for x
    x = 59,050,432,183.68/219,155.40
  6. Step 6: Final answer
    x = 269,445.48

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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.