Home / 450,146.22-621,212.67-246,216.30

Finding the Fourth Proportional to 450,146.22, 621,212.67 and 246,216.30

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Solution

The fourth proportional to 450,146.22, 621,212.67 and 246,216.30 is: 339,784.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,146.22 : 621,212.67 = 246,216.30 : x
  2. Step 2: Convert to fraction form
    450,146.22/621,212.67 = 246,216.30/x
  3. Step 3: Cross multiply
    450,146.22x = 621,212.67 × 246,216.30
  4. Step 4: Simplify right side
    450,146.22x = 152,952,685,120.52
  5. Step 5: Solve for x
    x = 152,952,685,120.52/450,146.22
  6. Step 6: Final answer
    x = 339,784.45

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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.