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Finding the Fourth Proportional to 349,093.88, 523,630.38 and 96,389.84

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Solution

The fourth proportional to 349,093.88, 523,630.38 and 96,389.84 is: 144,581.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,093.88 : 523,630.38 = 96,389.84 : x
  2. Step 2: Convert to fraction form
    349,093.88/523,630.38 = 96,389.84/x
  3. Step 3: Cross multiply
    349,093.88x = 523,630.38 × 96,389.84
  4. Step 4: Simplify right side
    349,093.88x = 50,472,648,547.34
  5. Step 5: Solve for x
    x = 50,472,648,547.34/349,093.88
  6. Step 6: Final answer
    x = 144,581.88

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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.