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Finding the Fourth Proportional to 306,027.10, 459,040.65 and 235,168.30

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Solution

The fourth proportional to 306,027.10, 459,040.65 and 235,168.30 is: 352,752.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,027.10 : 459,040.65 = 235,168.30 : x
  2. Step 2: Convert to fraction form
    306,027.10/459,040.65 = 235,168.30/x
  3. Step 3: Cross multiply
    306,027.10x = 459,040.65 × 235,168.30
  4. Step 4: Simplify right side
    306,027.10x = 107,951,809,291.40
  5. Step 5: Solve for x
    x = 107,951,809,291.40/306,027.10
  6. Step 6: Final answer
    x = 352,752.45

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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.