Home / 248,721.36-343,138.05-153,061.98

Finding the Fourth Proportional to 248,721.36, 343,138.05 and 153,061.98

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Solution

The fourth proportional to 248,721.36, 343,138.05 and 153,061.98 is: 211,165.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,721.36 : 343,138.05 = 153,061.98 : x
  2. Step 2: Convert to fraction form
    248,721.36/343,138.05 = 153,061.98/x
  3. Step 3: Cross multiply
    248,721.36x = 343,138.05 × 153,061.98
  4. Step 4: Simplify right side
    248,721.36x = 52,521,389,346.34
  5. Step 5: Solve for x
    x = 52,521,389,346.34/248,721.36
  6. Step 6: Final answer
    x = 211,165.58

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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.