Home / 427,139.10-589,463.82-236,164.77

Finding the Fourth Proportional to 427,139.10, 589,463.82 and 236,164.77

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Solution

The fourth proportional to 427,139.10, 589,463.82 and 236,164.77 is: 325,913.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,139.10 : 589,463.82 = 236,164.77 : x
  2. Step 2: Convert to fraction form
    427,139.10/589,463.82 = 236,164.77/x
  3. Step 3: Cross multiply
    427,139.10x = 589,463.82 × 236,164.77
  4. Step 4: Simplify right side
    427,139.10x = 139,210,587,473.62
  5. Step 5: Solve for x
    x = 139,210,587,473.62/427,139.10
  6. Step 6: Final answer
    x = 325,913.94

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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.