Home / 369,623.40-554,046.30-211,511.40

Finding the Fourth Proportional to 369,623.40, 554,046.30 and 211,511.40

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Solution

The fourth proportional to 369,623.40, 554,046.30 and 211,511.40 is: 317,044.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,623.40 : 554,046.30 = 211,511.40 : x
  2. Step 2: Convert to fraction form
    369,623.40/554,046.30 = 211,511.40/x
  3. Step 3: Cross multiply
    369,623.40x = 554,046.30 × 211,511.40
  4. Step 4: Simplify right side
    369,623.40x = 117,187,108,577.82
  5. Step 5: Solve for x
    x = 117,187,108,577.82/369,623.40
  6. Step 6: Final answer
    x = 317,044.62

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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.