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Finding the Fourth Proportional to 383,509.24, 529,243.28 and 230,549.12

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Solution

The fourth proportional to 383,509.24, 529,243.28 and 230,549.12 is: 318,158.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,509.24 : 529,243.28 = 230,549.12 : x
  2. Step 2: Convert to fraction form
    383,509.24/529,243.28 = 230,549.12/x
  3. Step 3: Cross multiply
    383,509.24x = 529,243.28 × 230,549.12
  4. Step 4: Simplify right side
    383,509.24x = 122,016,572,469.91
  5. Step 5: Solve for x
    x = 122,016,572,469.91/383,509.24
  6. Step 6: Final answer
    x = 318,158.10

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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.