Home / 234,360.81-351,436.12-139,635.60

Finding the Fourth Proportional to 234,360.81, 351,436.12 and 139,635.60

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Solution

The fourth proportional to 234,360.81, 351,436.12 and 139,635.60 is: 209,390.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,360.81 : 351,436.12 = 139,635.60 : x
  2. Step 2: Convert to fraction form
    234,360.81/351,436.12 = 139,635.60/x
  3. Step 3: Cross multiply
    234,360.81x = 351,436.12 × 139,635.60
  4. Step 4: Simplify right side
    234,360.81x = 49,072,994,893.63
  5. Step 5: Solve for x
    x = 49,072,994,893.63/234,360.81
  6. Step 6: Final answer
    x = 209,390.79

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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.