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Finding the Fourth Proportional to 565,510.36, 848,542.26 and 266,021.16

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Solution

The fourth proportional to 565,510.36, 848,542.26 and 266,021.16 is: 399,161.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,510.36 : 848,542.26 = 266,021.16 : x
  2. Step 2: Convert to fraction form
    565,510.36/848,542.26 = 266,021.16/x
  3. Step 3: Cross multiply
    565,510.36x = 848,542.26 × 266,021.16
  4. Step 4: Simplify right side
    565,510.36x = 225,730,196,314.22
  5. Step 5: Solve for x
    x = 225,730,196,314.22/565,510.36
  6. Step 6: Final answer
    x = 399,161.91

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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.