Home / 209,040.29-288,480.94-118,394.92

Finding the Fourth Proportional to 209,040.29, 288,480.94 and 118,394.92

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Solution

The fourth proportional to 209,040.29, 288,480.94 and 118,394.92 is: 163,388.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,040.29 : 288,480.94 = 118,394.92 : x
  2. Step 2: Convert to fraction form
    209,040.29/288,480.94 = 118,394.92/x
  3. Step 3: Cross multiply
    209,040.29x = 288,480.94 × 118,394.92
  4. Step 4: Simplify right side
    209,040.29x = 34,154,676,920.70
  5. Step 5: Solve for x
    x = 34,154,676,920.70/209,040.29
  6. Step 6: Final answer
    x = 163,388.01

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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.