Home / 284,965.75-393,218.71-157,624.03

Finding the Fourth Proportional to 284,965.75, 393,218.71 and 157,624.03

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Solution

The fourth proportional to 284,965.75, 393,218.71 and 157,624.03 is: 217,502.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,965.75 : 393,218.71 = 157,624.03 : x
  2. Step 2: Convert to fraction form
    284,965.75/393,218.71 = 157,624.03/x
  3. Step 3: Cross multiply
    284,965.75x = 393,218.71 × 157,624.03
  4. Step 4: Simplify right side
    284,965.75x = 61,980,717,741.60
  5. Step 5: Solve for x
    x = 61,980,717,741.60/284,965.75
  6. Step 6: Final answer
    x = 217,502.34

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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.