Home / 304,109.61-419,579.07-212,226.45

Finding the Fourth Proportional to 304,109.61, 419,579.07 and 212,226.45

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Solution

The fourth proportional to 304,109.61, 419,579.07 and 212,226.45 is: 292,808.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,109.61 : 419,579.07 = 212,226.45 : x
  2. Step 2: Convert to fraction form
    304,109.61/419,579.07 = 212,226.45/x
  3. Step 3: Cross multiply
    304,109.61x = 419,579.07 × 212,226.45
  4. Step 4: Simplify right side
    304,109.61x = 89,045,776,520.40
  5. Step 5: Solve for x
    x = 89,045,776,520.40/304,109.61
  6. Step 6: Final answer
    x = 292,808.16

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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.