Home / 427,119.57-589,437.30-236,145.26

Finding the Fourth Proportional to 427,119.57, 589,437.30 and 236,145.26

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Solution

The fourth proportional to 427,119.57, 589,437.30 and 236,145.26 is: 325,887.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,119.57 : 589,437.30 = 236,145.26 : x
  2. Step 2: Convert to fraction form
    427,119.57/589,437.30 = 236,145.26/x
  3. Step 3: Cross multiply
    427,119.57x = 589,437.30 × 236,145.26
  4. Step 4: Simplify right side
    427,119.57x = 139,192,821,515.01
  5. Step 5: Solve for x
    x = 139,192,821,515.01/427,119.57
  6. Step 6: Final answer
    x = 325,887.25

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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.