Home / 402,254.45-603,372.34-202,521.21

Finding the Fourth Proportional to 402,254.45, 603,372.34 and 202,521.21

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Solution

The fourth proportional to 402,254.45, 603,372.34 and 202,521.21 is: 303,777.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,254.45 : 603,372.34 = 202,521.21 : x
  2. Step 2: Convert to fraction form
    402,254.45/603,372.34 = 202,521.21/x
  3. Step 3: Cross multiply
    402,254.45x = 603,372.34 × 202,521.21
  4. Step 4: Simplify right side
    402,254.45x = 122,195,697,761.81
  5. Step 5: Solve for x
    x = 122,195,697,761.81/402,254.45
  6. Step 6: Final answer
    x = 303,777.12

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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.