Home / 351,187.17-526,321.47-140,972.73

Finding the Fourth Proportional to 351,187.17, 526,321.47 and 140,972.73

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Solution

The fourth proportional to 351,187.17, 526,321.47 and 140,972.73 is: 211,274.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,187.17 : 526,321.47 = 140,972.73 : x
  2. Step 2: Convert to fraction form
    351,187.17/526,321.47 = 140,972.73/x
  3. Step 3: Cross multiply
    351,187.17x = 526,321.47 × 140,972.73
  4. Step 4: Simplify right side
    351,187.17x = 74,196,974,483.51
  5. Step 5: Solve for x
    x = 74,196,974,483.51/351,187.17
  6. Step 6: Final answer
    x = 211,274.73

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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.