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Finding the Fourth Proportional to 224,652.61, 336,866.23 and 74,840.23

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Solution

The fourth proportional to 224,652.61, 336,866.23 and 74,840.23 is: 112,222.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,652.61 : 336,866.23 = 74,840.23 : x
  2. Step 2: Convert to fraction form
    224,652.61/336,866.23 = 74,840.23/x
  3. Step 3: Cross multiply
    224,652.61x = 336,866.23 × 74,840.23
  4. Step 4: Simplify right side
    224,652.61x = 25,211,146,132.43
  5. Step 5: Solve for x
    x = 25,211,146,132.43/224,652.61
  6. Step 6: Final answer
    x = 112,222.81

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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.