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Finding the Fourth Proportional to 224,655.66, 310,012.11 and 134,113.86

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Solution

The fourth proportional to 224,655.66, 310,012.11 and 134,113.86 is: 185,069.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,655.66 : 310,012.11 = 134,113.86 : x
  2. Step 2: Convert to fraction form
    224,655.66/310,012.11 = 134,113.86/x
  3. Step 3: Cross multiply
    224,655.66x = 310,012.11 × 134,113.86
  4. Step 4: Simplify right side
    224,655.66x = 41,576,920,718.84
  5. Step 5: Solve for x
    x = 41,576,920,718.84/224,655.66
  6. Step 6: Final answer
    x = 185,069.54

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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.