Home / 297,314.82-446,040.27-128,863.35

Finding the Fourth Proportional to 297,314.82, 446,040.27 and 128,863.35

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Solution

The fourth proportional to 297,314.82, 446,040.27 and 128,863.35 is: 193,324.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,314.82 : 446,040.27 = 128,863.35 : x
  2. Step 2: Convert to fraction form
    297,314.82/446,040.27 = 128,863.35/x
  3. Step 3: Cross multiply
    297,314.82x = 446,040.27 × 128,863.35
  4. Step 4: Simplify right side
    297,314.82x = 57,478,243,427.10
  5. Step 5: Solve for x
    x = 57,478,243,427.10/297,314.82
  6. Step 6: Final answer
    x = 193,324.52

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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.