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Finding the Fourth Proportional to 152,600.70, 228,901.05 and 69,656.70

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Solution

The fourth proportional to 152,600.70, 228,901.05 and 69,656.70 is: 104,485.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,600.70 : 228,901.05 = 69,656.70 : x
  2. Step 2: Convert to fraction form
    152,600.70/228,901.05 = 69,656.70/x
  3. Step 3: Cross multiply
    152,600.70x = 228,901.05 × 69,656.70
  4. Step 4: Simplify right side
    152,600.70x = 15,944,491,769.54
  5. Step 5: Solve for x
    x = 15,944,491,769.54/152,600.70
  6. Step 6: Final answer
    x = 104,485.05

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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.