Home / 377,225.57-521,942.06-328,928.21

Finding the Fourth Proportional to 377,225.57, 521,942.06 and 328,928.21

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Solution

The fourth proportional to 377,225.57, 521,942.06 and 328,928.21 is: 455,116.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,225.57 : 521,942.06 = 328,928.21 : x
  2. Step 2: Convert to fraction form
    377,225.57/521,942.06 = 328,928.21/x
  3. Step 3: Cross multiply
    377,225.57x = 521,942.06 × 328,928.21
  4. Step 4: Simplify right side
    377,225.57x = 171,681,463,265.16
  5. Step 5: Solve for x
    x = 171,681,463,265.16/377,225.57
  6. Step 6: Final answer
    x = 455,116.19

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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.