Home / 309,534.04-463,678.98-161,479

Finding the Fourth Proportional to 309,534.04, 463,678.98 and 161,479

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Solution

The fourth proportional to 309,534.04, 463,678.98 and 161,479 is: 241,893.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,534.04 : 463,678.98 = 161,479 : x
  2. Step 2: Convert to fraction form
    309,534.04/463,678.98 = 161,479/x
  3. Step 3: Cross multiply
    309,534.04x = 463,678.98 × 161,479
  4. Step 4: Simplify right side
    309,534.04x = 74,874,418,011.42
  5. Step 5: Solve for x
    x = 74,874,418,011.42/309,534.04
  6. Step 6: Final answer
    x = 241,893.97

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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.