Home / 255,979.80-383,979.42-98,224.20

Finding the Fourth Proportional to 255,979.80, 383,979.42 and 98,224.20

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Solution

The fourth proportional to 255,979.80, 383,979.42 and 98,224.20 is: 147,340.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,979.80 : 383,979.42 = 98,224.20 : x
  2. Step 2: Convert to fraction form
    255,979.80/383,979.42 = 98,224.20/x
  3. Step 3: Cross multiply
    255,979.80x = 383,979.42 × 98,224.20
  4. Step 4: Simplify right side
    255,979.80x = 37,716,071,345.96
  5. Step 5: Solve for x
    x = 37,716,071,345.96/255,979.80
  6. Step 6: Final answer
    x = 147,340.03

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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.