Home / 291,960.36-402,905.88-157,824.36

Finding the Fourth Proportional to 291,960.36, 402,905.88 and 157,824.36

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Solution

The fourth proportional to 291,960.36, 402,905.88 and 157,824.36 is: 217,797.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,960.36 : 402,905.88 = 157,824.36 : x
  2. Step 2: Convert to fraction form
    291,960.36/402,905.88 = 157,824.36/x
  3. Step 3: Cross multiply
    291,960.36x = 402,905.88 × 157,824.36
  4. Step 4: Simplify right side
    291,960.36x = 63,588,362,651.24
  5. Step 5: Solve for x
    x = 63,588,362,651.24/291,960.36
  6. Step 6: Final answer
    x = 217,797.93

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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.