Home / 409,726.24-565,403.04-228,457.92

Finding the Fourth Proportional to 409,726.24, 565,403.04 and 228,457.92

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Solution

The fourth proportional to 409,726.24, 565,403.04 and 228,457.92 is: 315,261.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,726.24 : 565,403.04 = 228,457.92 : x
  2. Step 2: Convert to fraction form
    409,726.24/565,403.04 = 228,457.92/x
  3. Step 3: Cross multiply
    409,726.24x = 565,403.04 × 228,457.92
  4. Step 4: Simplify right side
    409,726.24x = 129,170,802,480.08
  5. Step 5: Solve for x
    x = 129,170,802,480.08/409,726.24
  6. Step 6: Final answer
    x = 315,261.24

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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.