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Finding the Fourth Proportional to 445,362.17, 668,044.60 and 108,402.84

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Solution

The fourth proportional to 445,362.17, 668,044.60 and 108,402.84 is: 162,604.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,362.17 : 668,044.60 = 108,402.84 : x
  2. Step 2: Convert to fraction form
    445,362.17/668,044.60 = 108,402.84/x
  3. Step 3: Cross multiply
    445,362.17x = 668,044.60 × 108,402.84
  4. Step 4: Simplify right side
    445,362.17x = 72,417,931,615.66
  5. Step 5: Solve for x
    x = 72,417,931,615.66/445,362.17
  6. Step 6: Final answer
    x = 162,604.59

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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.