Home / 501,317.81-751,521.54-185,553.28

Finding the Fourth Proportional to 501,317.81, 751,521.54 and 185,553.28

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Solution

The fourth proportional to 501,317.81, 751,521.54 and 185,553.28 is: 278,161.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,317.81 : 751,521.54 = 185,553.28 : x
  2. Step 2: Convert to fraction form
    501,317.81/751,521.54 = 185,553.28/x
  3. Step 3: Cross multiply
    501,317.81x = 751,521.54 × 185,553.28
  4. Step 4: Simplify right side
    501,317.81x = 139,447,288,372.88
  5. Step 5: Solve for x
    x = 139,447,288,372.88/501,317.81
  6. Step 6: Final answer
    x = 278,161.45

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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.