Home / 209,275.26-288,799.20-113,782.20

Finding the Fourth Proportional to 209,275.26, 288,799.20 and 113,782.20

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Solution

The fourth proportional to 209,275.26, 288,799.20 and 113,782.20 is: 157,019.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,275.26 : 288,799.20 = 113,782.20 : x
  2. Step 2: Convert to fraction form
    209,275.26/288,799.20 = 113,782.20/x
  3. Step 3: Cross multiply
    209,275.26x = 288,799.20 × 113,782.20
  4. Step 4: Simplify right side
    209,275.26x = 32,860,208,334.24
  5. Step 5: Solve for x
    x = 32,860,208,334.24/209,275.26
  6. Step 6: Final answer
    x = 157,019.08

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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.