Home / 338,669.94-507,966.03-89,371.38

Finding the Fourth Proportional to 338,669.94, 507,966.03 and 89,371.38

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Solution

The fourth proportional to 338,669.94, 507,966.03 and 89,371.38 is: 134,046.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,669.94 : 507,966.03 = 89,371.38 : x
  2. Step 2: Convert to fraction form
    338,669.94/507,966.03 = 89,371.38/x
  3. Step 3: Cross multiply
    338,669.94x = 507,966.03 × 89,371.38
  4. Step 4: Simplify right side
    338,669.94x = 45,397,625,094.22
  5. Step 5: Solve for x
    x = 45,397,625,094.22/338,669.94
  6. Step 6: Final answer
    x = 134,046.81

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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.