Home / 284,902.85-393,176.21-157,579.35

Finding the Fourth Proportional to 284,902.85, 393,176.21 and 157,579.35

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Solution

The fourth proportional to 284,902.85, 393,176.21 and 157,579.35 is: 217,465.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,902.85 : 393,176.21 = 157,579.35 : x
  2. Step 2: Convert to fraction form
    284,902.85/393,176.21 = 157,579.35/x
  3. Step 3: Cross multiply
    284,902.85x = 393,176.21 × 157,579.35
  4. Step 4: Simplify right side
    284,902.85x = 61,956,450,819.37
  5. Step 5: Solve for x
    x = 61,956,450,819.37/284,902.85
  6. Step 6: Final answer
    x = 217,465.19

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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.