Home / 409,867.17-565,629.98-228,586.74

Finding the Fourth Proportional to 409,867.17, 565,629.98 and 228,586.74

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Solution

The fourth proportional to 409,867.17, 565,629.98 and 228,586.74 is: 315,457.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,867.17 : 565,629.98 = 228,586.74 : x
  2. Step 2: Convert to fraction form
    409,867.17/565,629.98 = 228,586.74/x
  3. Step 3: Cross multiply
    409,867.17x = 565,629.98 × 228,586.74
  4. Step 4: Simplify right side
    409,867.17x = 129,295,512,031.53
  5. Step 5: Solve for x
    x = 129,295,512,031.53/409,867.17
  6. Step 6: Final answer
    x = 315,457.11

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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.