Home / 409,827.90-565,560.03-228,542.07

Finding the Fourth Proportional to 409,827.90, 565,560.03 and 228,542.07

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Solution

The fourth proportional to 409,827.90, 565,560.03 and 228,542.07 is: 315,386.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,827.90 : 565,560.03 = 228,542.07 : x
  2. Step 2: Convert to fraction form
    409,827.90/565,560.03 = 228,542.07/x
  3. Step 3: Cross multiply
    409,827.90x = 565,560.03 × 228,542.07
  4. Step 4: Simplify right side
    409,827.90x = 129,254,259,965.46
  5. Step 5: Solve for x
    x = 129,254,259,965.46/409,827.90
  6. Step 6: Final answer
    x = 315,386.68

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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.