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Finding the Fourth Proportional to 295,838.16, 443,755.62 and 118,386.24

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Solution

The fourth proportional to 295,838.16, 443,755.62 and 118,386.24 is: 177,578.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,838.16 : 443,755.62 = 118,386.24 : x
  2. Step 2: Convert to fraction form
    295,838.16/443,755.62 = 118,386.24/x
  3. Step 3: Cross multiply
    295,838.16x = 443,755.62 × 118,386.24
  4. Step 4: Simplify right side
    295,838.16x = 52,534,559,330.67
  5. Step 5: Solve for x
    x = 52,534,559,330.67/295,838.16
  6. Step 6: Final answer
    x = 177,578.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.