Home / 385,933.80-578,923.44-149,277.72

Finding the Fourth Proportional to 385,933.80, 578,923.44 and 149,277.72

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Solution

The fourth proportional to 385,933.80, 578,923.44 and 149,277.72 is: 223,925.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,933.80 : 578,923.44 = 149,277.72 : x
  2. Step 2: Convert to fraction form
    385,933.80/578,923.44 = 149,277.72/x
  3. Step 3: Cross multiply
    385,933.80x = 578,923.44 × 149,277.72
  4. Step 4: Simplify right side
    385,933.80x = 86,420,371,177.76
  5. Step 5: Solve for x
    x = 86,420,371,177.76/385,933.80
  6. Step 6: Final answer
    x = 223,925.38

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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.