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Finding the Fourth Proportional to 224,065.92, 309,192.48 and 139,166.40

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Solution

The fourth proportional to 224,065.92, 309,192.48 and 139,166.40 is: 192,038.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,065.92 : 309,192.48 = 139,166.40 : x
  2. Step 2: Convert to fraction form
    224,065.92/309,192.48 = 139,166.40/x
  3. Step 3: Cross multiply
    224,065.92x = 309,192.48 × 139,166.40
  4. Step 4: Simplify right side
    224,065.92x = 43,029,204,348.67
  5. Step 5: Solve for x
    x = 43,029,204,348.67/224,065.92
  6. Step 6: Final answer
    x = 192,038.15

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1.5x scale

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.