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Finding the Fourth Proportional to 565,350.08, 848,011.78 and 138,885.22

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Solution

The fourth proportional to 565,350.08, 848,011.78 and 138,885.22 is: 208,324.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,350.08 : 848,011.78 = 138,885.22 : x
  2. Step 2: Convert to fraction form
    565,350.08/848,011.78 = 138,885.22/x
  3. Step 3: Cross multiply
    565,350.08x = 848,011.78 × 138,885.22
  4. Step 4: Simplify right side
    565,350.08x = 117,776,302,627.89
  5. Step 5: Solve for x
    x = 117,776,302,627.89/565,350.08
  6. Step 6: Final answer
    x = 208,324.55

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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.