Home / 287,822.93-431,473.04-100,732.37

Finding the Fourth Proportional to 287,822.93, 431,473.04 and 100,732.37

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Solution

The fourth proportional to 287,822.93, 431,473.04 and 100,732.37 is: 151,007.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,822.93 : 431,473.04 = 100,732.37 : x
  2. Step 2: Convert to fraction form
    287,822.93/431,473.04 = 100,732.37/x
  3. Step 3: Cross multiply
    287,822.93x = 431,473.04 × 100,732.37
  4. Step 4: Simplify right side
    287,822.93x = 43,463,301,406.64
  5. Step 5: Solve for x
    x = 43,463,301,406.64/287,822.93
  6. Step 6: Final answer
    x = 151,007.08

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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.