Home / 224,597.07-309,941.84-122,621.65

Finding the Fourth Proportional to 224,597.07, 309,941.84 and 122,621.65

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Solution

The fourth proportional to 224,597.07, 309,941.84 and 122,621.65 is: 169,216.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,597.07 : 309,941.84 = 122,621.65 : x
  2. Step 2: Convert to fraction form
    224,597.07/309,941.84 = 122,621.65/x
  3. Step 3: Cross multiply
    224,597.07x = 309,941.84 × 122,621.65
  4. Step 4: Simplify right side
    224,597.07x = 38,005,579,356.54
  5. Step 5: Solve for x
    x = 38,005,579,356.54/224,597.07
  6. Step 6: Final answer
    x = 169,216.72

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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.