Home / 450,147.22-621,214.05-246,217.30

Finding the Fourth Proportional to 450,147.22, 621,214.05 and 246,217.30

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Solution

The fourth proportional to 450,147.22, 621,214.05 and 246,217.30 is: 339,785.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,147.22 : 621,214.05 = 246,217.30 : x
  2. Step 2: Convert to fraction form
    450,147.22/621,214.05 = 246,217.30/x
  3. Step 3: Cross multiply
    450,147.22x = 621,214.05 × 246,217.30
  4. Step 4: Simplify right side
    450,147.22x = 152,953,646,113.07
  5. Step 5: Solve for x
    x = 152,953,646,113.07/450,147.22
  6. Step 6: Final answer
    x = 339,785.83

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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.