Home / 239,306.03-330,238.05-130,411.32

Finding the Fourth Proportional to 239,306.03, 330,238.05 and 130,411.32

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Solution

The fourth proportional to 239,306.03, 330,238.05 and 130,411.32 is: 179,965.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,306.03 : 330,238.05 = 130,411.32 : x
  2. Step 2: Convert to fraction form
    239,306.03/330,238.05 = 130,411.32/x
  3. Step 3: Cross multiply
    239,306.03x = 330,238.05 × 130,411.32
  4. Step 4: Simplify right side
    239,306.03x = 43,066,778,287.29
  5. Step 5: Solve for x
    x = 43,066,778,287.29/239,306.03
  6. Step 6: Final answer
    x = 179,965.29

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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.