Home / 548,840.30-822,787.32-212,117.18

Finding the Fourth Proportional to 548,840.30, 822,787.32 and 212,117.18

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Solution

The fourth proportional to 548,840.30, 822,787.32 and 212,117.18 is: 317,992.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,840.30 : 822,787.32 = 212,117.18 : x
  2. Step 2: Convert to fraction form
    548,840.30/822,787.32 = 212,117.18/x
  3. Step 3: Cross multiply
    548,840.30x = 822,787.32 × 212,117.18
  4. Step 4: Simplify right side
    548,840.30x = 174,527,326,058.16
  5. Step 5: Solve for x
    x = 174,527,326,058.16/548,840.30
  6. Step 6: Final answer
    x = 317,992.91

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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.