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Finding the Fourth Proportional to 333,178.37, 499,767.14 and 108,538.43

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Solution

The fourth proportional to 333,178.37, 499,767.14 and 108,538.43 is: 162,807.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,178.37 : 499,767.14 = 108,538.43 : x
  2. Step 2: Convert to fraction form
    333,178.37/499,767.14 = 108,538.43/x
  3. Step 3: Cross multiply
    333,178.37x = 499,767.14 × 108,538.43
  4. Step 4: Simplify right side
    333,178.37x = 54,243,937,699.66
  5. Step 5: Solve for x
    x = 54,243,937,699.66/333,178.37
  6. Step 6: Final answer
    x = 162,807.50

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1.5x scale

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.