Home / 245,316.35-338,486.94-143,322.11

Finding the Fourth Proportional to 245,316.35, 338,486.94 and 143,322.11

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Solution

The fourth proportional to 245,316.35, 338,486.94 and 143,322.11 is: 197,755.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,316.35 : 338,486.94 = 143,322.11 : x
  2. Step 2: Convert to fraction form
    245,316.35/338,486.94 = 143,322.11/x
  3. Step 3: Cross multiply
    245,316.35x = 338,486.94 × 143,322.11
  4. Step 4: Simplify right side
    245,316.35x = 48,512,660,755.81
  5. Step 5: Solve for x
    x = 48,512,660,755.81/245,316.35
  6. Step 6: Final answer
    x = 197,755.52

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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.