Home / 402,093.18-603,140-252,438.58

Finding the Fourth Proportional to 402,093.18, 603,140 and 252,438.58

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Solution

The fourth proportional to 402,093.18, 603,140 and 252,438.58 is: 378,658.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,093.18 : 603,140 = 252,438.58 : x
  2. Step 2: Convert to fraction form
    402,093.18/603,140 = 252,438.58/x
  3. Step 3: Cross multiply
    402,093.18x = 603,140 × 252,438.58
  4. Step 4: Simplify right side
    402,093.18x = 152,255,805,141.20
  5. Step 5: Solve for x
    x = 152,255,805,141.20/402,093.18
  6. Step 6: Final answer
    x = 378,658.01

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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.