Home / 253,267.36-379,712.41-153,403.47

Finding the Fourth Proportional to 253,267.36, 379,712.41 and 153,403.47

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Solution

The fourth proportional to 253,267.36, 379,712.41 and 153,403.47 is: 229,990.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,267.36 : 379,712.41 = 153,403.47 : x
  2. Step 2: Convert to fraction form
    253,267.36/379,712.41 = 153,403.47/x
  3. Step 3: Cross multiply
    253,267.36x = 379,712.41 × 153,403.47
  4. Step 4: Simplify right side
    253,267.36x = 58,249,200,912.55
  5. Step 5: Solve for x
    x = 58,249,200,912.55/253,267.36
  6. Step 6: Final answer
    x = 229,990.95

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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.