Home / 427,337.82-589,689.45-236,303.37

Finding the Fourth Proportional to 427,337.82, 589,689.45 and 236,303.37

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Solution

The fourth proportional to 427,337.82, 589,689.45 and 236,303.37 is: 326,078.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,337.82 : 589,689.45 = 236,303.37 : x
  2. Step 2: Convert to fraction form
    427,337.82/589,689.45 = 236,303.37/x
  3. Step 3: Cross multiply
    427,337.82x = 589,689.45 × 236,303.37
  4. Step 4: Simplify right side
    427,337.82x = 139,345,604,288.45
  5. Step 5: Solve for x
    x = 139,345,604,288.45/427,337.82
  6. Step 6: Final answer
    x = 326,078.33

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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.