Home / 450,450.30-621,621.39-246,501.30

Finding the Fourth Proportional to 450,450.30, 621,621.39 and 246,501.30

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Solution

The fourth proportional to 450,450.30, 621,621.39 and 246,501.30 is: 340,171.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,450.30 : 621,621.39 = 246,501.30 : x
  2. Step 2: Convert to fraction form
    450,450.30/621,621.39 = 246,501.30/x
  3. Step 3: Cross multiply
    450,450.30x = 621,621.39 × 246,501.30
  4. Step 4: Simplify right side
    450,450.30x = 153,230,480,742.81
  5. Step 5: Solve for x
    x = 153,230,480,742.81/450,450.30
  6. Step 6: Final answer
    x = 340,171.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.