Home / 286,264.22-428,742.29-136,609.58

Finding the Fourth Proportional to 286,264.22, 428,742.29 and 136,609.58

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Solution

The fourth proportional to 286,264.22, 428,742.29 and 136,609.58 is: 204,602.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,264.22 : 428,742.29 = 136,609.58 : x
  2. Step 2: Convert to fraction form
    286,264.22/428,742.29 = 136,609.58/x
  3. Step 3: Cross multiply
    286,264.22x = 428,742.29 × 136,609.58
  4. Step 4: Simplify right side
    286,264.22x = 58,570,301,338.38
  5. Step 5: Solve for x
    x = 58,570,301,338.38/286,264.22
  6. Step 6: Final answer
    x = 204,602.25

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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.