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Finding the Fourth Proportional to 374,801.32, 517,213.38 and 223,808.68

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Solution

The fourth proportional to 374,801.32, 517,213.38 and 223,808.68 is: 308,848.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,801.32 : 517,213.38 = 223,808.68 : x
  2. Step 2: Convert to fraction form
    374,801.32/517,213.38 = 223,808.68/x
  3. Step 3: Cross multiply
    374,801.32x = 517,213.38 × 223,808.68
  4. Step 4: Simplify right side
    374,801.32x = 115,756,843,856.14
  5. Step 5: Solve for x
    x = 115,756,843,856.14/374,801.32
  6. Step 6: Final answer
    x = 308,848.55

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1.5x scale

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.