Home / 436,284.64-654,427.14-136,788.54

Finding the Fourth Proportional to 436,284.64, 654,427.14 and 136,788.54

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Solution

The fourth proportional to 436,284.64, 654,427.14 and 136,788.54 is: 205,182.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,284.64 : 654,427.14 = 136,788.54 : x
  2. Step 2: Convert to fraction form
    436,284.64/654,427.14 = 136,788.54/x
  3. Step 3: Cross multiply
    436,284.64x = 654,427.14 × 136,788.54
  4. Step 4: Simplify right side
    436,284.64x = 89,518,133,016.98
  5. Step 5: Solve for x
    x = 89,518,133,016.98/436,284.64
  6. Step 6: Final answer
    x = 205,182.87

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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.