Home / 402,494.05-603,761.73-102,977.21

Finding the Fourth Proportional to 402,494.05, 603,761.73 and 102,977.21

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Solution

The fourth proportional to 402,494.05, 603,761.73 and 102,977.21 is: 154,471.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,494.05 : 603,761.73 = 102,977.21 : x
  2. Step 2: Convert to fraction form
    402,494.05/603,761.73 = 102,977.21/x
  3. Step 3: Cross multiply
    402,494.05x = 603,761.73 × 102,977.21
  4. Step 4: Simplify right side
    402,494.05x = 62,173,698,460.17
  5. Step 5: Solve for x
    x = 62,173,698,460.17/402,494.05
  6. Step 6: Final answer
    x = 154,471.10

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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.