Home / 266,746.86-368,105.49-145,887.76

Finding the Fourth Proportional to 266,746.86, 368,105.49 and 145,887.76

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Solution

The fourth proportional to 266,746.86, 368,105.49 and 145,887.76 is: 201,322.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,746.86 : 368,105.49 = 145,887.76 : x
  2. Step 2: Convert to fraction form
    266,746.86/368,105.49 = 145,887.76/x
  3. Step 3: Cross multiply
    266,746.86x = 368,105.49 × 145,887.76
  4. Step 4: Simplify right side
    266,746.86x = 53,702,085,379.80
  5. Step 5: Solve for x
    x = 53,702,085,379.80/266,746.86
  6. Step 6: Final answer
    x = 201,322.28

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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.