Home / 409,830.90-565,564.17-228,545.07

Finding the Fourth Proportional to 409,830.90, 565,564.17 and 228,545.07

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Solution

The fourth proportional to 409,830.90, 565,564.17 and 228,545.07 is: 315,390.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,830.90 : 565,564.17 = 228,545.07 : x
  2. Step 2: Convert to fraction form
    409,830.90/565,564.17 = 228,545.07/x
  3. Step 3: Cross multiply
    409,830.90x = 565,564.17 × 228,545.07
  4. Step 4: Simplify right side
    409,830.90x = 129,256,902,822.14
  5. Step 5: Solve for x
    x = 129,256,902,822.14/409,830.90
  6. Step 6: Final answer
    x = 315,390.82

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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.