Home / 554,012.25-831,018.37-133,288.12

Finding the Fourth Proportional to 554,012.25, 831,018.37 and 133,288.12

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Solution

The fourth proportional to 554,012.25, 831,018.37 and 133,288.12 is: 199,932.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,012.25 : 831,018.37 = 133,288.12 : x
  2. Step 2: Convert to fraction form
    554,012.25/831,018.37 = 133,288.12/x
  3. Step 3: Cross multiply
    554,012.25x = 831,018.37 × 133,288.12
  4. Step 4: Simplify right side
    554,012.25x = 110,764,876,222.76
  5. Step 5: Solve for x
    x = 110,764,876,222.76/554,012.25
  6. Step 6: Final answer
    x = 199,932.18

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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.