Home / 427,147.12-589,434.12-236,134.72

Finding the Fourth Proportional to 427,147.12, 589,434.12 and 236,134.72

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Solution

The fourth proportional to 427,147.12, 589,434.12 and 236,134.72 is: 325,849.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,147.12 : 589,434.12 = 236,134.72 : x
  2. Step 2: Convert to fraction form
    427,147.12/589,434.12 = 236,134.72/x
  3. Step 3: Cross multiply
    427,147.12x = 589,434.12 × 236,134.72
  4. Step 4: Simplify right side
    427,147.12x = 139,185,860,884.65
  5. Step 5: Solve for x
    x = 139,185,860,884.65/427,147.12
  6. Step 6: Final answer
    x = 325,849.93

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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.