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Finding the Fourth Proportional to 565,861.50, 848,779.95 and 266,175.98

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Solution

The fourth proportional to 565,861.50, 848,779.95 and 266,175.98 is: 399,258.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,861.50 : 848,779.95 = 266,175.98 : x
  2. Step 2: Convert to fraction form
    565,861.50/848,779.95 = 266,175.98/x
  3. Step 3: Cross multiply
    565,861.50x = 848,779.95 × 266,175.98
  4. Step 4: Simplify right side
    565,861.50x = 225,924,834,995.60
  5. Step 5: Solve for x
    x = 225,924,834,995.60/565,861.50
  6. Step 6: Final answer
    x = 399,258.18

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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.