Home / 671,030.20-1,006,253.70-221,577.40

Finding the Fourth Proportional to 671,030.20, 1,006,253.70 and 221,577.40

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Solution

The fourth proportional to 671,030.20, 1,006,253.70 and 221,577.40 is: 332,269.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,030.20 : 1,006,253.70 = 221,577.40 : x
  2. Step 2: Convert to fraction form
    671,030.20/1,006,253.70 = 221,577.40/x
  3. Step 3: Cross multiply
    671,030.20x = 1,006,253.70 × 221,577.40
  4. Step 4: Simplify right side
    671,030.20x = 222,963,078,586.38
  5. Step 5: Solve for x
    x = 222,963,078,586.38/671,030.20
  6. Step 6: Final answer
    x = 332,269.81

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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.