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Finding the Fourth Proportional to 239,673.29, 330,756.07 and 132,250.25

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Solution

The fourth proportional to 239,673.29, 330,756.07 and 132,250.25 is: 182,509.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,673.29 : 330,756.07 = 132,250.25 : x
  2. Step 2: Convert to fraction form
    239,673.29/330,756.07 = 132,250.25/x
  3. Step 3: Cross multiply
    239,673.29x = 330,756.07 × 132,250.25
  4. Step 4: Simplify right side
    239,673.29x = 43,742,570,962.11
  5. Step 5: Solve for x
    x = 43,742,570,962.11/239,673.29
  6. Step 6: Final answer
    x = 182,509.16

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1.5x scale

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.