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Finding the Fourth Proportional to 301,140.20, 451,710.30 and 101,394.20

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Solution

The fourth proportional to 301,140.20, 451,710.30 and 101,394.20 is: 152,091.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,140.20 : 451,710.30 = 101,394.20 : x
  2. Step 2: Convert to fraction form
    301,140.20/451,710.30 = 101,394.20/x
  3. Step 3: Cross multiply
    301,140.20x = 451,710.30 × 101,394.20
  4. Step 4: Simplify right side
    301,140.20x = 45,800,804,500.26
  5. Step 5: Solve for x
    x = 45,800,804,500.26/301,140.20
  6. Step 6: Final answer
    x = 152,091.30

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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.