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Finding the Fourth Proportional to 214,390.29, 295,851.15 and 118,905.87

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Solution

The fourth proportional to 214,390.29, 295,851.15 and 118,905.87 is: 164,085.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,390.29 : 295,851.15 = 118,905.87 : x
  2. Step 2: Convert to fraction form
    214,390.29/295,851.15 = 118,905.87/x
  3. Step 3: Cross multiply
    214,390.29x = 295,851.15 × 118,905.87
  4. Step 4: Simplify right side
    214,390.29x = 35,178,438,381.25
  5. Step 5: Solve for x
    x = 35,178,438,381.25/214,390.29
  6. Step 6: Final answer
    x = 164,085.97

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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.