Home / 427,972.50-590,601.67-236,985.88

Finding the Fourth Proportional to 427,972.50, 590,601.67 and 236,985.88

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Solution

The fourth proportional to 427,972.50, 590,601.67 and 236,985.88 is: 327,040.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,972.50 : 590,601.67 = 236,985.88 : x
  2. Step 2: Convert to fraction form
    427,972.50/590,601.67 = 236,985.88/x
  3. Step 3: Cross multiply
    427,972.50x = 590,601.67 × 236,985.88
  4. Step 4: Simplify right side
    427,972.50x = 139,964,256,494.42
  5. Step 5: Solve for x
    x = 139,964,256,494.42/427,972.50
  6. Step 6: Final answer
    x = 327,040.30

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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.