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Finding the Fourth Proportional to 310,954.40, 466,207.12 and 121,254

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Solution

The fourth proportional to 310,954.40, 466,207.12 and 121,254 is: 181,793.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,954.40 : 466,207.12 = 121,254 : x
  2. Step 2: Convert to fraction form
    310,954.40/466,207.12 = 121,254/x
  3. Step 3: Cross multiply
    310,954.40x = 466,207.12 × 121,254
  4. Step 4: Simplify right side
    310,954.40x = 56,529,478,128.48
  5. Step 5: Solve for x
    x = 56,529,478,128.48/310,954.40
  6. Step 6: Final answer
    x = 181,793.47

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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.