Home / 409,757.06-565,435.86-228,461.24

Finding the Fourth Proportional to 409,757.06, 565,435.86 and 228,461.24

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Solution

The fourth proportional to 409,757.06, 565,435.86 and 228,461.24 is: 315,260.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,757.06 : 565,435.86 = 228,461.24 : x
  2. Step 2: Convert to fraction form
    409,757.06/565,435.86 = 228,461.24/x
  3. Step 3: Cross multiply
    409,757.06x = 565,435.86 × 228,461.24
  4. Step 4: Simplify right side
    409,757.06x = 129,180,174,888.89
  5. Step 5: Solve for x
    x = 129,180,174,888.89/409,757.06
  6. Step 6: Final answer
    x = 315,260.40

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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.