Home / 377,225.72-521,942.27-328,928.36

Finding the Fourth Proportional to 377,225.72, 521,942.27 and 328,928.36

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Solution

The fourth proportional to 377,225.72, 521,942.27 and 328,928.36 is: 455,116.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,225.72 : 521,942.27 = 328,928.36 : x
  2. Step 2: Convert to fraction form
    377,225.72/521,942.27 = 328,928.36/x
  3. Step 3: Cross multiply
    377,225.72x = 521,942.27 × 328,928.36
  4. Step 4: Simplify right side
    377,225.72x = 171,681,614,885.78
  5. Step 5: Solve for x
    x = 171,681,614,885.78/377,225.72
  6. Step 6: Final answer
    x = 455,116.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.