Home / 266,218.47-367,389.06-145,367.43

Finding the Fourth Proportional to 266,218.47, 367,389.06 and 145,367.43

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Solution

The fourth proportional to 266,218.47, 367,389.06 and 145,367.43 is: 200,611.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,218.47 : 367,389.06 = 145,367.43 : x
  2. Step 2: Convert to fraction form
    266,218.47/367,389.06 = 145,367.43/x
  3. Step 3: Cross multiply
    266,218.47x = 367,389.06 × 145,367.43
  4. Step 4: Simplify right side
    266,218.47x = 53,406,403,462.32
  5. Step 5: Solve for x
    x = 53,406,403,462.32/266,218.47
  6. Step 6: Final answer
    x = 200,611.19

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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.