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Finding the Fourth Proportional to 302,961, 418,089.10 and 167,000.18

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Solution

The fourth proportional to 302,961, 418,089.10 and 167,000.18 is: 230,461.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,961 : 418,089.10 = 167,000.18 : x
  2. Step 2: Convert to fraction form
    302,961/418,089.10 = 167,000.18/x
  3. Step 3: Cross multiply
    302,961x = 418,089.10 × 167,000.18
  4. Step 4: Simplify right side
    302,961x = 69,820,954,956.04
  5. Step 5: Solve for x
    x = 69,820,954,956.04/302,961
  6. Step 6: Final answer
    x = 230,461.86

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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.