Home / 261,244.07-391,977.06-142,777.01

Finding the Fourth Proportional to 261,244.07, 391,977.06 and 142,777.01

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Solution

The fourth proportional to 261,244.07, 391,977.06 and 142,777.01 is: 214,226.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,244.07 : 391,977.06 = 142,777.01 : x
  2. Step 2: Convert to fraction form
    261,244.07/391,977.06 = 142,777.01/x
  3. Step 3: Cross multiply
    261,244.07x = 391,977.06 × 142,777.01
  4. Step 4: Simplify right side
    261,244.07x = 55,965,312,615.39
  5. Step 5: Solve for x
    x = 55,965,312,615.39/261,244.07
  6. Step 6: Final answer
    x = 214,226.15

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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.