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Finding the Fourth Proportional to 548,653.68, 822,897.34 and 149,325.56

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Solution

The fourth proportional to 548,653.68, 822,897.34 and 149,325.56 is: 223,965.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,653.68 : 822,897.34 = 149,325.56 : x
  2. Step 2: Convert to fraction form
    548,653.68/822,897.34 = 149,325.56/x
  3. Step 3: Cross multiply
    548,653.68x = 822,897.34 × 149,325.56
  4. Step 4: Simplify right side
    548,653.68x = 122,879,606,118.01
  5. Step 5: Solve for x
    x = 122,879,606,118.01/548,653.68
  6. Step 6: Final answer
    x = 223,965.70

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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.