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Finding the Fourth Proportional to 365,303.58, 547,697.79 and 140,475.12

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Solution

The fourth proportional to 365,303.58, 547,697.79 and 140,475.12 is: 210,613.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,303.58 : 547,697.79 = 140,475.12 : x
  2. Step 2: Convert to fraction form
    365,303.58/547,697.79 = 140,475.12/x
  3. Step 3: Cross multiply
    365,303.58x = 547,697.79 × 140,475.12
  4. Step 4: Simplify right side
    365,303.58x = 76,937,912,773.98
  5. Step 5: Solve for x
    x = 76,937,912,773.98/365,303.58
  6. Step 6: Final answer
    x = 210,613.63

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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.