Home / 209,058.72-288,504.12-113,567.28

Finding the Fourth Proportional to 209,058.72, 288,504.12 and 113,567.28

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Solution

The fourth proportional to 209,058.72, 288,504.12 and 113,567.28 is: 156,724.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,058.72 : 288,504.12 = 113,567.28 : x
  2. Step 2: Convert to fraction form
    209,058.72/288,504.12 = 113,567.28/x
  3. Step 3: Cross multiply
    209,058.72x = 288,504.12 × 113,567.28
  4. Step 4: Simplify right side
    209,058.72x = 32,764,628,177.19
  5. Step 5: Solve for x
    x = 32,764,628,177.19/209,058.72
  6. Step 6: Final answer
    x = 156,724.52

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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.