Home / 286,025.24-428,738.51-96,420.09

Finding the Fourth Proportional to 286,025.24, 428,738.51 and 96,420.09

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Solution

The fourth proportional to 286,025.24, 428,738.51 and 96,420.09 is: 144,529.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,025.24 : 428,738.51 = 96,420.09 : x
  2. Step 2: Convert to fraction form
    286,025.24/428,738.51 = 96,420.09/x
  3. Step 3: Cross multiply
    286,025.24x = 428,738.51 × 96,420.09
  4. Step 4: Simplify right side
    286,025.24x = 41,339,005,238.57
  5. Step 5: Solve for x
    x = 41,339,005,238.57/286,025.24
  6. Step 6: Final answer
    x = 144,529.22

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1.5x scale

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.