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Finding the Fourth Proportional to 501,318.81, 751,523.04 and 185,554.28

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Solution

The fourth proportional to 501,318.81, 751,523.04 and 185,554.28 is: 278,162.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,318.81 : 751,523.04 = 185,554.28 : x
  2. Step 2: Convert to fraction form
    501,318.81/751,523.04 = 185,554.28/x
  3. Step 3: Cross multiply
    501,318.81x = 751,523.04 × 185,554.28
  4. Step 4: Simplify right side
    501,318.81x = 139,448,316,590.61
  5. Step 5: Solve for x
    x = 139,448,316,590.61/501,318.81
  6. Step 6: Final answer
    x = 278,162.95

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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.