Home / 208,914.85-288,309.10-118,269.17

Finding the Fourth Proportional to 208,914.85, 288,309.10 and 118,269.17

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Solution

The fourth proportional to 208,914.85, 288,309.10 and 118,269.17 is: 163,215.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,914.85 : 288,309.10 = 118,269.17 : x
  2. Step 2: Convert to fraction form
    208,914.85/288,309.10 = 118,269.17/x
  3. Step 3: Cross multiply
    208,914.85x = 288,309.10 × 118,269.17
  4. Step 4: Simplify right side
    208,914.85x = 34,098,076,518.90
  5. Step 5: Solve for x
    x = 34,098,076,518.90/208,914.85
  6. Step 6: Final answer
    x = 163,215.19

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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.