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Finding the Fourth Proportional to 243,727.07, 365,486.05 and 83,819.10

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Solution

The fourth proportional to 243,727.07, 365,486.05 and 83,819.10 is: 125,692.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,727.07 : 365,486.05 = 83,819.10 : x
  2. Step 2: Convert to fraction form
    243,727.07/365,486.05 = 83,819.10/x
  3. Step 3: Cross multiply
    243,727.07x = 365,486.05 × 83,819.10
  4. Step 4: Simplify right side
    243,727.07x = 30,634,711,354.46
  5. Step 5: Solve for x
    x = 30,634,711,354.46/243,727.07
  6. Step 6: Final answer
    x = 125,692.69

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1.5x scale

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.