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Finding the Fourth Proportional to 501,507.77, 752,266.53 and 127,530.77

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Solution

The fourth proportional to 501,507.77, 752,266.53 and 127,530.77 is: 191,297.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,507.77 : 752,266.53 = 127,530.77 : x
  2. Step 2: Convert to fraction form
    501,507.77/752,266.53 = 127,530.77/x
  3. Step 3: Cross multiply
    501,507.77x = 752,266.53 × 127,530.77
  4. Step 4: Simplify right side
    501,507.77x = 95,937,129,816.13
  5. Step 5: Solve for x
    x = 95,937,129,816.13/501,507.77
  6. Step 6: Final answer
    x = 191,297.39

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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.