Home / 208,941.04-288,340.14-113,447.80

Finding the Fourth Proportional to 208,941.04, 288,340.14 and 113,447.80

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Solution

The fourth proportional to 208,941.04, 288,340.14 and 113,447.80 is: 156,558.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,941.04 : 288,340.14 = 113,447.80 : x
  2. Step 2: Convert to fraction form
    208,941.04/288,340.14 = 113,447.80/x
  3. Step 3: Cross multiply
    208,941.04x = 288,340.14 × 113,447.80
  4. Step 4: Simplify right side
    208,941.04x = 32,711,554,534.69
  5. Step 5: Solve for x
    x = 32,711,554,534.69/208,941.04
  6. Step 6: Final answer
    x = 156,558.78

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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.