Home / 239,539.07-330,480.42-153,545.46

Finding the Fourth Proportional to 239,539.07, 330,480.42 and 153,545.46

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Solution

The fourth proportional to 239,539.07, 330,480.42 and 153,545.46 is: 211,839.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,539.07 : 330,480.42 = 153,545.46 : x
  2. Step 2: Convert to fraction form
    239,539.07/330,480.42 = 153,545.46/x
  3. Step 3: Cross multiply
    239,539.07x = 330,480.42 × 153,545.46
  4. Step 4: Simplify right side
    239,539.07x = 50,743,768,109.89
  5. Step 5: Solve for x
    x = 50,743,768,109.89/239,539.07
  6. Step 6: Final answer
    x = 211,839.22

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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.