Home / 209,295.18-288,829.26-113,802.66

Finding the Fourth Proportional to 209,295.18, 288,829.26 and 113,802.66

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Solution

The fourth proportional to 209,295.18, 288,829.26 and 113,802.66 is: 157,048.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,295.18 : 288,829.26 = 113,802.66 : x
  2. Step 2: Convert to fraction form
    209,295.18/288,829.26 = 113,802.66/x
  3. Step 3: Cross multiply
    209,295.18x = 288,829.26 × 113,802.66
  4. Step 4: Simplify right side
    209,295.18x = 32,869,538,073.83
  5. Step 5: Solve for x
    x = 32,869,538,073.83/209,295.18
  6. Step 6: Final answer
    x = 157,048.71

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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.