Home / 427,113.13-589,428.42-236,138.82

Finding the Fourth Proportional to 427,113.13, 589,428.42 and 236,138.82

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Solution

The fourth proportional to 427,113.13, 589,428.42 and 236,138.82 is: 325,878.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,113.13 : 589,428.42 = 236,138.82 : x
  2. Step 2: Convert to fraction form
    427,113.13/589,428.42 = 236,138.82/x
  3. Step 3: Cross multiply
    427,113.13x = 589,428.42 × 236,138.82
  4. Step 4: Simplify right side
    427,113.13x = 139,186,928,919.00
  5. Step 5: Solve for x
    x = 139,186,928,919.00/427,113.13
  6. Step 6: Final answer
    x = 325,878.37

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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.