Home / 208,922.26-288,319.61-118,276.37

Finding the Fourth Proportional to 208,922.26, 288,319.61 and 118,276.37

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Solution

The fourth proportional to 208,922.26, 288,319.61 and 118,276.37 is: 163,225.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,922.26 : 288,319.61 = 118,276.37 : x
  2. Step 2: Convert to fraction form
    208,922.26/288,319.61 = 118,276.37/x
  3. Step 3: Cross multiply
    208,922.26x = 288,319.61 × 118,276.37
  4. Step 4: Simplify right side
    208,922.26x = 34,101,397,887.11
  5. Step 5: Solve for x
    x = 34,101,397,887.11/208,922.26
  6. Step 6: Final answer
    x = 163,225.30

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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.