Home / 330,030.55-455,441.01-179,127.55

Finding the Fourth Proportional to 330,030.55, 455,441.01 and 179,127.55

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Solution

The fourth proportional to 330,030.55, 455,441.01 and 179,127.55 is: 247,195.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,030.55 : 455,441.01 = 179,127.55 : x
  2. Step 2: Convert to fraction form
    330,030.55/455,441.01 = 179,127.55/x
  3. Step 3: Cross multiply
    330,030.55x = 455,441.01 × 179,127.55
  4. Step 4: Simplify right side
    330,030.55x = 81,582,030,013.62
  5. Step 5: Solve for x
    x = 81,582,030,013.62/330,030.55
  6. Step 6: Final answer
    x = 247,195.39

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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.