Home / 245,482.04-338,761.91-138,052.01

Finding the Fourth Proportional to 245,482.04, 338,761.91 and 138,052.01

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Solution

The fourth proportional to 245,482.04, 338,761.91 and 138,052.01 is: 190,509.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,482.04 : 338,761.91 = 138,052.01 : x
  2. Step 2: Convert to fraction form
    245,482.04/338,761.91 = 138,052.01/x
  3. Step 3: Cross multiply
    245,482.04x = 338,761.91 × 138,052.01
  4. Step 4: Simplify right side
    245,482.04x = 46,766,763,778.97
  5. Step 5: Solve for x
    x = 46,766,763,778.97/245,482.04
  6. Step 6: Final answer
    x = 190,509.92

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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.