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Finding the Fourth Proportional to 565,514.81, 848,876.49 and 228,775.59

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Solution

The fourth proportional to 565,514.81, 848,876.49 and 228,775.59 is: 343,407.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,514.81 : 848,876.49 = 228,775.59 : x
  2. Step 2: Convert to fraction form
    565,514.81/848,876.49 = 228,775.59/x
  3. Step 3: Cross multiply
    565,514.81x = 848,876.49 × 228,775.59
  4. Step 4: Simplify right side
    565,514.81x = 194,202,219,347.72
  5. Step 5: Solve for x
    x = 194,202,219,347.72/565,514.81
  6. Step 6: Final answer
    x = 343,407.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.