Home / 239,436.08-330,147.96-153,280.88

Finding the Fourth Proportional to 239,436.08, 330,147.96 and 153,280.88

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Solution

The fourth proportional to 239,436.08, 330,147.96 and 153,280.88 is: 211,352.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,436.08 : 330,147.96 = 153,280.88 : x
  2. Step 2: Convert to fraction form
    239,436.08/330,147.96 = 153,280.88/x
  3. Step 3: Cross multiply
    239,436.08x = 330,147.96 × 153,280.88
  4. Step 4: Simplify right side
    239,436.08x = 50,605,369,839.00
  5. Step 5: Solve for x
    x = 50,605,369,839.00/239,436.08
  6. Step 6: Final answer
    x = 211,352.32

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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.