Home / 366,484.16-505,766.40-223,221.28

Finding the Fourth Proportional to 366,484.16, 505,766.40 and 223,221.28

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Solution

The fourth proportional to 366,484.16, 505,766.40 and 223,221.28 is: 308,056.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,484.16 : 505,766.40 = 223,221.28 : x
  2. Step 2: Convert to fraction form
    366,484.16/505,766.40 = 223,221.28/x
  3. Step 3: Cross multiply
    366,484.16x = 505,766.40 × 223,221.28
  4. Step 4: Simplify right side
    366,484.16x = 112,897,823,188.99
  5. Step 5: Solve for x
    x = 112,897,823,188.99/366,484.16
  6. Step 6: Final answer
    x = 308,056.49

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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.