Home / 385,424.82-577,805.00-148,933.44

Finding the Fourth Proportional to 385,424.82, 577,805.00 and 148,933.44

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Solution

The fourth proportional to 385,424.82, 577,805.00 and 148,933.44 is: 223,271.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,424.82 : 577,805.00 = 148,933.44 : x
  2. Step 2: Convert to fraction form
    385,424.82/577,805.00 = 148,933.44/x
  3. Step 3: Cross multiply
    385,424.82x = 577,805.00 × 148,933.44
  4. Step 4: Simplify right side
    385,424.82x = 86,054,485,554.53
  5. Step 5: Solve for x
    x = 86,054,485,554.53/385,424.82
  6. Step 6: Final answer
    x = 223,271.78

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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.