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Finding the Fourth Proportional to 329,430.30, 493,999.65 and 151,845.90

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Solution

The fourth proportional to 329,430.30, 493,999.65 and 151,845.90 is: 227,701.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,430.30 : 493,999.65 = 151,845.90 : x
  2. Step 2: Convert to fraction form
    329,430.30/493,999.65 = 151,845.90/x
  3. Step 3: Cross multiply
    329,430.30x = 493,999.65 × 151,845.90
  4. Step 4: Simplify right side
    329,430.30x = 75,011,821,453.94
  5. Step 5: Solve for x
    x = 75,011,821,453.94/329,430.30
  6. Step 6: Final answer
    x = 227,701.65

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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.