Home / 208,967.06-288,377.89-118,320.60

Finding the Fourth Proportional to 208,967.06, 288,377.89 and 118,320.60

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Solution

The fourth proportional to 208,967.06, 288,377.89 and 118,320.60 is: 163,284.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,967.06 : 288,377.89 = 118,320.60 : x
  2. Step 2: Convert to fraction form
    208,967.06/288,377.89 = 118,320.60/x
  3. Step 3: Cross multiply
    208,967.06x = 288,377.89 × 118,320.60
  4. Step 4: Simplify right side
    208,967.06x = 34,121,043,594.32
  5. Step 5: Solve for x
    x = 34,121,043,594.32/208,967.06
  6. Step 6: Final answer
    x = 163,284.32

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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.