Home / 402,255.58-603,374.03-202,522.34

Finding the Fourth Proportional to 402,255.58, 603,374.03 and 202,522.34

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Solution

The fourth proportional to 402,255.58, 603,374.03 and 202,522.34 is: 303,778.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,255.58 : 603,374.03 = 202,522.34 : x
  2. Step 2: Convert to fraction form
    402,255.58/603,374.03 = 202,522.34/x
  3. Step 3: Cross multiply
    402,255.58x = 603,374.03 × 202,522.34
  4. Step 4: Simplify right side
    402,255.58x = 122,196,718,312.13
  5. Step 5: Solve for x
    x = 122,196,718,312.13/402,255.58
  6. Step 6: Final answer
    x = 303,778.80

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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.