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Finding the Fourth Proportional to 183,640.80, 275,461.20 and 176,383.20

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Solution

The fourth proportional to 183,640.80, 275,461.20 and 176,383.20 is: 264,574.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,640.80 : 275,461.20 = 176,383.20 : x
  2. Step 2: Convert to fraction form
    183,640.80/275,461.20 = 176,383.20/x
  3. Step 3: Cross multiply
    183,640.80x = 275,461.20 × 176,383.20
  4. Step 4: Simplify right side
    183,640.80x = 48,586,727,931.84
  5. Step 5: Solve for x
    x = 48,586,727,931.84/183,640.80
  6. Step 6: Final answer
    x = 264,574.80

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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.