Home / 301,034.12-451,235.09-101,285.16

Finding the Fourth Proportional to 301,034.12, 451,235.09 and 101,285.16

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Solution

The fourth proportional to 301,034.12, 451,235.09 and 101,285.16 is: 151,821.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,034.12 : 451,235.09 = 101,285.16 : x
  2. Step 2: Convert to fraction form
    301,034.12/451,235.09 = 101,285.16/x
  3. Step 3: Cross multiply
    301,034.12x = 451,235.09 × 101,285.16
  4. Step 4: Simplify right side
    301,034.12x = 45,703,417,976.01
  5. Step 5: Solve for x
    x = 45,703,417,976.01/301,034.12
  6. Step 6: Final answer
    x = 151,821.39

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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.