Home / 254,821.36-351,665.40-141,646

Finding the Fourth Proportional to 254,821.36, 351,665.40 and 141,646

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Solution

The fourth proportional to 254,821.36, 351,665.40 and 141,646 is: 195,478.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,821.36 : 351,665.40 = 141,646 : x
  2. Step 2: Convert to fraction form
    254,821.36/351,665.40 = 141,646/x
  3. Step 3: Cross multiply
    254,821.36x = 351,665.40 × 141,646
  4. Step 4: Simplify right side
    254,821.36x = 49,811,997,248.40
  5. Step 5: Solve for x
    x = 49,811,997,248.40/254,821.36
  6. Step 6: Final answer
    x = 195,478.11

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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.