Home / 397,140.94-548,060.06-215,852.81

Finding the Fourth Proportional to 397,140.94, 548,060.06 and 215,852.81

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Solution

The fourth proportional to 397,140.94, 548,060.06 and 215,852.81 is: 297,879.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,140.94 : 548,060.06 = 215,852.81 : x
  2. Step 2: Convert to fraction form
    397,140.94/548,060.06 = 215,852.81/x
  3. Step 3: Cross multiply
    397,140.94x = 548,060.06 × 215,852.81
  4. Step 4: Simplify right side
    397,140.94x = 118,300,302,920.51
  5. Step 5: Solve for x
    x = 118,300,302,920.51/397,140.94
  6. Step 6: Final answer
    x = 297,879.90

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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.