Home / 245,429.10-338,717.76-149,999.37

Finding the Fourth Proportional to 245,429.10, 338,717.76 and 149,999.37

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Solution

The fourth proportional to 245,429.10, 338,717.76 and 149,999.37 is: 207,014.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,429.10 : 338,717.76 = 149,999.37 : x
  2. Step 2: Convert to fraction form
    245,429.10/338,717.76 = 149,999.37/x
  3. Step 3: Cross multiply
    245,429.10x = 338,717.76 × 149,999.37
  4. Step 4: Simplify right side
    245,429.10x = 50,807,450,607.81
  5. Step 5: Solve for x
    x = 50,807,450,607.81/245,429.10
  6. Step 6: Final answer
    x = 207,014.78

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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.