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Finding the Fourth Proportional to 224,518.74, 336,778.11 and 66,746.94

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Solution

The fourth proportional to 224,518.74, 336,778.11 and 66,746.94 is: 100,120.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,518.74 : 336,778.11 = 66,746.94 : x
  2. Step 2: Convert to fraction form
    224,518.74/336,778.11 = 66,746.94/x
  3. Step 3: Cross multiply
    224,518.74x = 336,778.11 × 66,746.94
  4. Step 4: Simplify right side
    224,518.74x = 22,478,908,301.48
  5. Step 5: Solve for x
    x = 22,478,908,301.48/224,518.74
  6. Step 6: Final answer
    x = 100,120.41

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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.