Home / 239,719.34-330,820.64-130,829.64

Finding the Fourth Proportional to 239,719.34, 330,820.64 and 130,829.64

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Solution

The fourth proportional to 239,719.34, 330,820.64 and 130,829.64 is: 180,549.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,719.34 : 330,820.64 = 130,829.64 : x
  2. Step 2: Convert to fraction form
    239,719.34/330,820.64 = 130,829.64/x
  3. Step 3: Cross multiply
    239,719.34x = 330,820.64 × 130,829.64
  4. Step 4: Simplify right side
    239,719.34x = 43,281,143,831.66
  5. Step 5: Solve for x
    x = 43,281,143,831.66/239,719.34
  6. Step 6: Final answer
    x = 180,549.23

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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.