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Finding the Fourth Proportional to 210,335.76, 315,523.48 and 163,003.87

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Solution

The fourth proportional to 210,335.76, 315,523.48 and 163,003.87 is: 244,521.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,335.76 : 315,523.48 = 163,003.87 : x
  2. Step 2: Convert to fraction form
    210,335.76/315,523.48 = 163,003.87/x
  3. Step 3: Cross multiply
    210,335.76x = 315,523.48 × 163,003.87
  4. Step 4: Simplify right side
    210,335.76x = 51,431,547,119.55
  5. Step 5: Solve for x
    x = 51,431,547,119.55/210,335.76
  6. Step 6: Final answer
    x = 244,521.17

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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.