Home / 254,710.47-381,898.04-142,556.25

Finding the Fourth Proportional to 254,710.47, 381,898.04 and 142,556.25

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Solution

The fourth proportional to 254,710.47, 381,898.04 and 142,556.25 is: 213,740.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,710.47 : 381,898.04 = 142,556.25 : x
  2. Step 2: Convert to fraction form
    254,710.47/381,898.04 = 142,556.25/x
  3. Step 3: Cross multiply
    254,710.47x = 381,898.04 × 142,556.25
  4. Step 4: Simplify right side
    254,710.47x = 54,441,953,985.97
  5. Step 5: Solve for x
    x = 54,441,953,985.97/254,710.47
  6. Step 6: Final answer
    x = 213,740.54

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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.