Home / 446,445.20-669,084.60-179,987.60

Finding the Fourth Proportional to 446,445.20, 669,084.60 and 179,987.60

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Solution

The fourth proportional to 446,445.20, 669,084.60 and 179,987.60 is: 269,746.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,445.20 : 669,084.60 = 179,987.60 : x
  2. Step 2: Convert to fraction form
    446,445.20/669,084.60 = 179,987.60/x
  3. Step 3: Cross multiply
    446,445.20x = 669,084.60 × 179,987.60
  4. Step 4: Simplify right side
    446,445.20x = 120,426,931,350.96
  5. Step 5: Solve for x
    x = 120,426,931,350.96/446,445.20
  6. Step 6: Final answer
    x = 269,746.28

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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.