Home / 245,780.92-368,080.80-140,280.04

Finding the Fourth Proportional to 245,780.92, 368,080.80 and 140,280.04

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Solution

The fourth proportional to 245,780.92, 368,080.80 and 140,280.04 is: 210,082.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,780.92 : 368,080.80 = 140,280.04 : x
  2. Step 2: Convert to fraction form
    245,780.92/368,080.80 = 140,280.04/x
  3. Step 3: Cross multiply
    245,780.92x = 368,080.80 × 140,280.04
  4. Step 4: Simplify right side
    245,780.92x = 51,634,389,347.23
  5. Step 5: Solve for x
    x = 51,634,389,347.23/245,780.92
  6. Step 6: Final answer
    x = 210,082.99

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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.