Home / 239,426.28-330,398.10-130,528.26

Finding the Fourth Proportional to 239,426.28, 330,398.10 and 130,528.26

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Solution

The fourth proportional to 239,426.28, 330,398.10 and 130,528.26 is: 180,123.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,426.28 : 330,398.10 = 130,528.26 : x
  2. Step 2: Convert to fraction form
    239,426.28/330,398.10 = 130,528.26/x
  3. Step 3: Cross multiply
    239,426.28x = 330,398.10 × 130,528.26
  4. Step 4: Simplify right side
    239,426.28x = 43,126,289,100.31
  5. Step 5: Solve for x
    x = 43,126,289,100.31/239,426.28
  6. Step 6: Final answer
    x = 180,123.46

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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.