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Finding the Fourth Proportional to 202,317.40, 303,476.10 and 97,082.20

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Solution

The fourth proportional to 202,317.40, 303,476.10 and 97,082.20 is: 145,623.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,317.40 : 303,476.10 = 97,082.20 : x
  2. Step 2: Convert to fraction form
    202,317.40/303,476.10 = 97,082.20/x
  3. Step 3: Cross multiply
    202,317.40x = 303,476.10 × 97,082.20
  4. Step 4: Simplify right side
    202,317.40x = 29,462,127,435.42
  5. Step 5: Solve for x
    x = 29,462,127,435.42/202,317.40
  6. Step 6: Final answer
    x = 145,623.30

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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.