Home / 284,917.50-393,159.78-157,590.36

Finding the Fourth Proportional to 284,917.50, 393,159.78 and 157,590.36

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Solution

The fourth proportional to 284,917.50, 393,159.78 and 157,590.36 is: 217,460.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,917.50 : 393,159.78 = 157,590.36 : x
  2. Step 2: Convert to fraction form
    284,917.50/393,159.78 = 157,590.36/x
  3. Step 3: Cross multiply
    284,917.50x = 393,159.78 × 157,590.36
  4. Step 4: Simplify right side
    284,917.50x = 61,958,191,267.72
  5. Step 5: Solve for x
    x = 61,958,191,267.72/284,917.50
  6. Step 6: Final answer
    x = 217,460.11

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1.5x scale

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.