Home / 209,040.36-288,365.13-132,424.31

Finding the Fourth Proportional to 209,040.36, 288,365.13 and 132,424.31

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Solution

The fourth proportional to 209,040.36, 288,365.13 and 132,424.31 is: 182,675.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,040.36 : 288,365.13 = 132,424.31 : x
  2. Step 2: Convert to fraction form
    209,040.36/288,365.13 = 132,424.31/x
  3. Step 3: Cross multiply
    209,040.36x = 288,365.13 × 132,424.31
  4. Step 4: Simplify right side
    209,040.36x = 38,186,553,368.31
  5. Step 5: Solve for x
    x = 38,186,553,368.31/209,040.36
  6. Step 6: Final answer
    x = 182,675.51

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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.