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Finding the Fourth Proportional to 300,693.40, 451,050.99 and 101,020.30

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Solution

The fourth proportional to 300,693.40, 451,050.99 and 101,020.30 is: 151,534.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,693.40 : 451,050.99 = 101,020.30 : x
  2. Step 2: Convert to fraction form
    300,693.40/451,050.99 = 101,020.30/x
  3. Step 3: Cross multiply
    300,693.40x = 451,050.99 × 101,020.30
  4. Step 4: Simplify right side
    300,693.40x = 45,565,306,325.10
  5. Step 5: Solve for x
    x = 45,565,306,325.10/300,693.40
  6. Step 6: Final answer
    x = 151,534.11

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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.