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Finding the Fourth Proportional to 208,888.17, 288,266.04 and 113,394.93

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Solution

The fourth proportional to 208,888.17, 288,266.04 and 113,394.93 is: 156,485.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,888.17 : 288,266.04 = 113,394.93 : x
  2. Step 2: Convert to fraction form
    208,888.17/288,266.04 = 113,394.93/x
  3. Step 3: Cross multiply
    208,888.17x = 288,266.04 × 113,394.93
  4. Step 4: Simplify right side
    208,888.17x = 32,687,907,427.18
  5. Step 5: Solve for x
    x = 32,687,907,427.18/208,888.17
  6. Step 6: Final answer
    x = 156,485.20

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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.