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Finding the Fourth Proportional to 303,035.40, 418,181.13 and 167,066.17

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Solution

The fourth proportional to 303,035.40, 418,181.13 and 167,066.17 is: 230,547.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,035.40 : 418,181.13 = 167,066.17 : x
  2. Step 2: Convert to fraction form
    303,035.40/418,181.13 = 167,066.17/x
  3. Step 3: Cross multiply
    303,035.40x = 418,181.13 × 167,066.17
  4. Step 4: Simplify right side
    303,035.40x = 69,863,918,709.92
  5. Step 5: Solve for x
    x = 69,863,918,709.92/303,035.40
  6. Step 6: Final answer
    x = 230,547.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.