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Finding the Fourth Proportional to 210,202.48, 289,935 and 125,254

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Solution

The fourth proportional to 210,202.48, 289,935 and 125,254 is: 172,764.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,202.48 : 289,935 = 125,254 : x
  2. Step 2: Convert to fraction form
    210,202.48/289,935 = 125,254/x
  3. Step 3: Cross multiply
    210,202.48x = 289,935 × 125,254
  4. Step 4: Simplify right side
    210,202.48x = 36,315,518,490
  5. Step 5: Solve for x
    x = 36,315,518,490/210,202.48
  6. Step 6: Final answer
    x = 172,764.46

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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.