Home / 209,255.88-288,776.40-113,762.94

Finding the Fourth Proportional to 209,255.88, 288,776.40 and 113,762.94

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Solution

The fourth proportional to 209,255.88, 288,776.40 and 113,762.94 is: 156,994.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,255.88 : 288,776.40 = 113,762.94 : x
  2. Step 2: Convert to fraction form
    209,255.88/288,776.40 = 113,762.94/x
  3. Step 3: Cross multiply
    209,255.88x = 288,776.40 × 113,762.94
  4. Step 4: Simplify right side
    209,255.88x = 32,852,052,266.62
  5. Step 5: Solve for x
    x = 32,852,052,266.62/209,255.88
  6. Step 6: Final answer
    x = 156,994.64

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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.