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Finding the Fourth Proportional to 445,492, 668,225.04 and 165,003.04

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Solution

The fourth proportional to 445,492, 668,225.04 and 165,003.04 is: 247,499.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,492 : 668,225.04 = 165,003.04 : x
  2. Step 2: Convert to fraction form
    445,492/668,225.04 = 165,003.04/x
  3. Step 3: Cross multiply
    445,492x = 668,225.04 × 165,003.04
  4. Step 4: Simplify right side
    445,492x = 110,259,163,004.12
  5. Step 5: Solve for x
    x = 110,259,163,004.12/445,492
  6. Step 6: Final answer
    x = 247,499.76

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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.