Home / 298,990.02-447,977.52-180,412.20

Finding the Fourth Proportional to 298,990.02, 447,977.52 and 180,412.20

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Solution

The fourth proportional to 298,990.02, 447,977.52 and 180,412.20 is: 270,312.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,990.02 : 447,977.52 = 180,412.20 : x
  2. Step 2: Convert to fraction form
    298,990.02/447,977.52 = 180,412.20/x
  3. Step 3: Cross multiply
    298,990.02x = 447,977.52 × 180,412.20
  4. Step 4: Simplify right side
    298,990.02x = 80,820,609,933.74
  5. Step 5: Solve for x
    x = 80,820,609,933.74/298,990.02
  6. Step 6: Final answer
    x = 270,312.07

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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.