Home / 209,003.73-288,428.45-118,357.24

Finding the Fourth Proportional to 209,003.73, 288,428.45 and 118,357.24

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Solution

The fourth proportional to 209,003.73, 288,428.45 and 118,357.24 is: 163,334.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,003.73 : 288,428.45 = 118,357.24 : x
  2. Step 2: Convert to fraction form
    209,003.73/288,428.45 = 118,357.24/x
  3. Step 3: Cross multiply
    209,003.73x = 288,428.45 × 118,357.24
  4. Step 4: Simplify right side
    209,003.73x = 34,137,594,687.69
  5. Step 5: Solve for x
    x = 34,137,594,687.69/209,003.73
  6. Step 6: Final answer
    x = 163,334.86

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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.