Home / 286,629.39-430,005.26-97,083.12

Finding the Fourth Proportional to 286,629.39, 430,005.26 and 97,083.12

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Solution

The fourth proportional to 286,629.39, 430,005.26 and 97,083.12 is: 145,645.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,629.39 : 430,005.26 = 97,083.12 : x
  2. Step 2: Convert to fraction form
    286,629.39/430,005.26 = 97,083.12/x
  3. Step 3: Cross multiply
    286,629.39x = 430,005.26 × 97,083.12
  4. Step 4: Simplify right side
    286,629.39x = 41,746,251,771.80
  5. Step 5: Solve for x
    x = 41,746,251,771.80/286,629.39
  6. Step 6: Final answer
    x = 145,645.40

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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.