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Finding the Fourth Proportional to 450,276.96, 621,387.11 and 246,323.51

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Solution

The fourth proportional to 450,276.96, 621,387.11 and 246,323.51 is: 339,929.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,276.96 : 621,387.11 = 246,323.51 : x
  2. Step 2: Convert to fraction form
    450,276.96/621,387.11 = 246,323.51/x
  3. Step 3: Cross multiply
    450,276.96x = 621,387.11 × 246,323.51
  4. Step 4: Simplify right side
    450,276.96x = 153,062,253,843.03
  5. Step 5: Solve for x
    x = 153,062,253,843.03/450,276.96
  6. Step 6: Final answer
    x = 339,929.12

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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.