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Finding the Fourth Proportional to 542,314.08, 813,142.64 and 242,738.72

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Solution

The fourth proportional to 542,314.08, 813,142.64 and 242,738.72 is: 363,961.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,314.08 : 813,142.64 = 242,738.72 : x
  2. Step 2: Convert to fraction form
    542,314.08/813,142.64 = 242,738.72/x
  3. Step 3: Cross multiply
    542,314.08x = 813,142.64 × 242,738.72
  4. Step 4: Simplify right side
    542,314.08x = 197,381,203,611.02
  5. Step 5: Solve for x
    x = 197,381,203,611.02/542,314.08
  6. Step 6: Final answer
    x = 363,961.05

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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.