Home / 208,929.12-288,337.44-117,056.46

Finding the Fourth Proportional to 208,929.12, 288,337.44 and 117,056.46

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Solution

The fourth proportional to 208,929.12, 288,337.44 and 117,056.46 is: 161,546.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,929.12 : 288,337.44 = 117,056.46 : x
  2. Step 2: Convert to fraction form
    208,929.12/288,337.44 = 117,056.46/x
  3. Step 3: Cross multiply
    208,929.12x = 288,337.44 × 117,056.46
  4. Step 4: Simplify right side
    208,929.12x = 33,751,760,011.86
  5. Step 5: Solve for x
    x = 33,751,760,011.86/208,929.12
  6. Step 6: Final answer
    x = 161,546.46

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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.