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Finding the Fourth Proportional to 555,200.50, 832,800.65 and 302,693.33

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Solution

The fourth proportional to 555,200.50, 832,800.65 and 302,693.33 is: 454,039.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,200.50 : 832,800.65 = 302,693.33 : x
  2. Step 2: Convert to fraction form
    555,200.50/832,800.65 = 302,693.33/x
  3. Step 3: Cross multiply
    555,200.50x = 832,800.65 × 302,693.33
  4. Step 4: Simplify right side
    555,200.50x = 252,083,196,297.20
  5. Step 5: Solve for x
    x = 252,083,196,297.20/555,200.50
  6. Step 6: Final answer
    x = 454,039.93

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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.