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Finding the Fourth Proportional to 442,200.48, 663,300.72 and 109,776.48

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Solution

The fourth proportional to 442,200.48, 663,300.72 and 109,776.48 is: 164,664.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,200.48 : 663,300.72 = 109,776.48 : x
  2. Step 2: Convert to fraction form
    442,200.48/663,300.72 = 109,776.48/x
  3. Step 3: Cross multiply
    442,200.48x = 663,300.72 × 109,776.48
  4. Step 4: Simplify right side
    442,200.48x = 72,814,818,223.07
  5. Step 5: Solve for x
    x = 72,814,818,223.07/442,200.48
  6. Step 6: Final answer
    x = 164,664.72

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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.