Home / 291,396.17-402,137.66-160,579.37

Finding the Fourth Proportional to 291,396.17, 402,137.66 and 160,579.37

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Solution

The fourth proportional to 291,396.17, 402,137.66 and 160,579.37 is: 221,605.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,396.17 : 402,137.66 = 160,579.37 : x
  2. Step 2: Convert to fraction form
    291,396.17/402,137.66 = 160,579.37/x
  3. Step 3: Cross multiply
    291,396.17x = 402,137.66 × 160,579.37
  4. Step 4: Simplify right side
    291,396.17x = 64,575,012,096.07
  5. Step 5: Solve for x
    x = 64,575,012,096.07/291,396.17
  6. Step 6: Final answer
    x = 221,605.56

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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.