Home / 330,041.48-455,445.06-179,135.24

Finding the Fourth Proportional to 330,041.48, 455,445.06 and 179,135.24

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Solution

The fourth proportional to 330,041.48, 455,445.06 and 179,135.24 is: 247,200.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,041.48 : 455,445.06 = 179,135.24 : x
  2. Step 2: Convert to fraction form
    330,041.48/455,445.06 = 179,135.24/x
  3. Step 3: Cross multiply
    330,041.48x = 455,445.06 × 179,135.24
  4. Step 4: Simplify right side
    330,041.48x = 81,586,260,129.91
  5. Step 5: Solve for x
    x = 81,586,260,129.91/330,041.48
  6. Step 6: Final answer
    x = 247,200.02

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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.