Home / 262,646.70-393,516.45-122,117.10

Finding the Fourth Proportional to 262,646.70, 393,516.45 and 122,117.10

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Solution

The fourth proportional to 262,646.70, 393,516.45 and 122,117.10 is: 182,964.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,646.70 : 393,516.45 = 122,117.10 : x
  2. Step 2: Convert to fraction form
    262,646.70/393,516.45 = 122,117.10/x
  3. Step 3: Cross multiply
    262,646.70x = 393,516.45 × 122,117.10
  4. Step 4: Simplify right side
    262,646.70x = 48,055,087,676.30
  5. Step 5: Solve for x
    x = 48,055,087,676.30/262,646.70
  6. Step 6: Final answer
    x = 182,964.75

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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.