Home / 291,904.34-402,827.79-157,768.34

Finding the Fourth Proportional to 291,904.34, 402,827.79 and 157,768.34

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Solution

The fourth proportional to 291,904.34, 402,827.79 and 157,768.34 is: 217,720.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,904.34 : 402,827.79 = 157,768.34 : x
  2. Step 2: Convert to fraction form
    291,904.34/402,827.79 = 157,768.34/x
  3. Step 3: Cross multiply
    291,904.34x = 402,827.79 × 157,768.34
  4. Step 4: Simplify right side
    291,904.34x = 63,553,469,720.03
  5. Step 5: Solve for x
    x = 63,553,469,720.03/291,904.34
  6. Step 6: Final answer
    x = 217,720.20

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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.