Home / 437,155.98-603,306.42-243,579.78

Finding the Fourth Proportional to 437,155.98, 603,306.42 and 243,579.78

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Solution

The fourth proportional to 437,155.98, 603,306.42 and 243,579.78 is: 336,157.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,155.98 : 603,306.42 = 243,579.78 : x
  2. Step 2: Convert to fraction form
    437,155.98/603,306.42 = 243,579.78/x
  3. Step 3: Cross multiply
    437,155.98x = 603,306.42 × 243,579.78
  4. Step 4: Simplify right side
    437,155.98x = 146,953,245,056.19
  5. Step 5: Solve for x
    x = 146,953,245,056.19/437,155.98
  6. Step 6: Final answer
    x = 336,157.46

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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.