Home / 266,355.81-367,556.94-145,495.35

Finding the Fourth Proportional to 266,355.81, 367,556.94 and 145,495.35

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Solution

The fourth proportional to 266,355.81, 367,556.94 and 145,495.35 is: 200,775.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,355.81 : 367,556.94 = 145,495.35 : x
  2. Step 2: Convert to fraction form
    266,355.81/367,556.94 = 145,495.35/x
  3. Step 3: Cross multiply
    266,355.81x = 367,556.94 × 145,495.35
  4. Step 4: Simplify right side
    266,355.81x = 53,477,825,630.23
  5. Step 5: Solve for x
    x = 53,477,825,630.23/266,355.81
  6. Step 6: Final answer
    x = 200,775.89

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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.