Home / 262,456.23-393,858.09-144,210

Finding the Fourth Proportional to 262,456.23, 393,858.09 and 144,210

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Solution

The fourth proportional to 262,456.23, 393,858.09 and 144,210 is: 216,410.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,456.23 : 393,858.09 = 144,210 : x
  2. Step 2: Convert to fraction form
    262,456.23/393,858.09 = 144,210/x
  3. Step 3: Cross multiply
    262,456.23x = 393,858.09 × 144,210
  4. Step 4: Simplify right side
    262,456.23x = 56,798,275,158.90
  5. Step 5: Solve for x
    x = 56,798,275,158.90/262,456.23
  6. Step 6: Final answer
    x = 216,410.47

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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.