Home / 262,579.16-393,868.74-209,741.24

Finding the Fourth Proportional to 262,579.16, 393,868.74 and 209,741.24

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Solution

The fourth proportional to 262,579.16, 393,868.74 and 209,741.24 is: 314,611.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,579.16 : 393,868.74 = 209,741.24 : x
  2. Step 2: Convert to fraction form
    262,579.16/393,868.74 = 209,741.24/x
  3. Step 3: Cross multiply
    262,579.16x = 393,868.74 × 209,741.24
  4. Step 4: Simplify right side
    262,579.16x = 82,610,517,924.84
  5. Step 5: Solve for x
    x = 82,610,517,924.84/262,579.16
  6. Step 6: Final answer
    x = 314,611.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.