Home / 397,377.04-548,583.48-306,529.08

Finding the Fourth Proportional to 397,377.04, 548,583.48 and 306,529.08

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Solution

The fourth proportional to 397,377.04, 548,583.48 and 306,529.08 is: 423,166.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,377.04 : 548,583.48 = 306,529.08 : x
  2. Step 2: Convert to fraction form
    397,377.04/548,583.48 = 306,529.08/x
  3. Step 3: Cross multiply
    397,377.04x = 548,583.48 × 306,529.08
  4. Step 4: Simplify right side
    397,377.04x = 168,156,789,427.60
  5. Step 5: Solve for x
    x = 168,156,789,427.60/397,377.04
  6. Step 6: Final answer
    x = 423,166.85

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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.