Home / 436,977.23-603,019.30-243,384.34

Finding the Fourth Proportional to 436,977.23, 603,019.30 and 243,384.34

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Solution

The fourth proportional to 436,977.23, 603,019.30 and 243,384.34 is: 335,865.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,977.23 : 603,019.30 = 243,384.34 : x
  2. Step 2: Convert to fraction form
    436,977.23/603,019.30 = 243,384.34/x
  3. Step 3: Cross multiply
    436,977.23x = 603,019.30 × 243,384.34
  4. Step 4: Simplify right side
    436,977.23x = 146,765,455,880.97
  5. Step 5: Solve for x
    x = 146,765,455,880.97/436,977.23
  6. Step 6: Final answer
    x = 335,865.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.