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Finding the Fourth Proportional to 443,687.63, 612,288.92 and 242,483.63

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Solution

The fourth proportional to 443,687.63, 612,288.92 and 242,483.63 is: 334,627.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,687.63 : 612,288.92 = 242,483.63 : x
  2. Step 2: Convert to fraction form
    443,687.63/612,288.92 = 242,483.63/x
  3. Step 3: Cross multiply
    443,687.63x = 612,288.92 × 242,483.63
  4. Step 4: Simplify right side
    443,687.63x = 148,470,037,475.14
  5. Step 5: Solve for x
    x = 148,470,037,475.14/443,687.63
  6. Step 6: Final answer
    x = 334,627.40

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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.