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Finding the Fourth Proportional to 372,551.84, 556,123 and 344,797.28

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Solution

The fourth proportional to 372,551.84, 556,123 and 344,797.28 is: 514,692.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,551.84 : 556,123 = 344,797.28 : x
  2. Step 2: Convert to fraction form
    372,551.84/556,123 = 344,797.28/x
  3. Step 3: Cross multiply
    372,551.84x = 556,123 × 344,797.28
  4. Step 4: Simplify right side
    372,551.84x = 191,749,697,745.44
  5. Step 5: Solve for x
    x = 191,749,697,745.44/372,551.84
  6. Step 6: Final answer
    x = 514,692.66

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.