Home / 266,538.14-367,812.65-145,678.46

Finding the Fourth Proportional to 266,538.14, 367,812.65 and 145,678.46

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Solution

The fourth proportional to 266,538.14, 367,812.65 and 145,678.46 is: 201,030.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,538.14 : 367,812.65 = 145,678.46 : x
  2. Step 2: Convert to fraction form
    266,538.14/367,812.65 = 145,678.46/x
  3. Step 3: Cross multiply
    266,538.14x = 367,812.65 × 145,678.46
  4. Step 4: Simplify right side
    266,538.14x = 53,582,380,420.52
  5. Step 5: Solve for x
    x = 53,582,380,420.52/266,538.14
  6. Step 6: Final answer
    x = 201,030.82

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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.