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Finding the Fourth Proportional to 443,573.10, 612,130.24 and 252,586.48

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Solution

The fourth proportional to 443,573.10, 612,130.24 and 252,586.48 is: 348,568.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,573.10 : 612,130.24 = 252,586.48 : x
  2. Step 2: Convert to fraction form
    443,573.10/612,130.24 = 252,586.48/x
  3. Step 3: Cross multiply
    443,573.10x = 612,130.24 × 252,586.48
  4. Step 4: Simplify right side
    443,573.10x = 154,615,822,623.16
  5. Step 5: Solve for x
    x = 154,615,822,623.16/443,573.10
  6. Step 6: Final answer
    x = 348,568.98

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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.