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Finding the Fourth Proportional to 202,497.90, 303,746.85 and 113,754.30

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Solution

The fourth proportional to 202,497.90, 303,746.85 and 113,754.30 is: 170,631.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,497.90 : 303,746.85 = 113,754.30 : x
  2. Step 2: Convert to fraction form
    202,497.90/303,746.85 = 113,754.30/x
  3. Step 3: Cross multiply
    202,497.90x = 303,746.85 × 113,754.30
  4. Step 4: Simplify right side
    202,497.90x = 34,552,510,298.96
  5. Step 5: Solve for x
    x = 34,552,510,298.96/202,497.90
  6. Step 6: Final answer
    x = 170,631.45

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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.