Home / 224,943.20-310,420.85-122,968.65

Finding the Fourth Proportional to 224,943.20, 310,420.85 and 122,968.65

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Solution

The fourth proportional to 224,943.20, 310,420.85 and 122,968.65 is: 169,696.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,943.20 : 310,420.85 = 122,968.65 : x
  2. Step 2: Convert to fraction form
    224,943.20/310,420.85 = 122,968.65/x
  3. Step 3: Cross multiply
    224,943.20x = 310,420.85 × 122,968.65
  4. Step 4: Simplify right side
    224,943.20x = 38,172,032,241.51
  5. Step 5: Solve for x
    x = 38,172,032,241.51/224,943.20
  6. Step 6: Final answer
    x = 169,696.32

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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.