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Finding the Fourth Proportional to 542,395.02, 813,403.88 and 222,456.06

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Solution

The fourth proportional to 542,395.02, 813,403.88 and 222,456.06 is: 333,606.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,395.02 : 813,403.88 = 222,456.06 : x
  2. Step 2: Convert to fraction form
    542,395.02/813,403.88 = 222,456.06/x
  3. Step 3: Cross multiply
    542,395.02x = 813,403.88 × 222,456.06
  4. Step 4: Simplify right side
    542,395.02x = 180,946,622,333.51
  5. Step 5: Solve for x
    x = 180,946,622,333.51/542,395.02
  6. Step 6: Final answer
    x = 333,606.72

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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.