Home / 377,014.36-520,279.86-215,922.82

Finding the Fourth Proportional to 377,014.36, 520,279.86 and 215,922.82

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Solution

The fourth proportional to 377,014.36, 520,279.86 and 215,922.82 is: 297,973.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,014.36 : 520,279.86 = 215,922.82 : x
  2. Step 2: Convert to fraction form
    377,014.36/520,279.86 = 215,922.82/x
  3. Step 3: Cross multiply
    377,014.36x = 520,279.86 × 215,922.82
  4. Step 4: Simplify right side
    377,014.36x = 112,340,294,560.41
  5. Step 5: Solve for x
    x = 112,340,294,560.41/377,014.36
  6. Step 6: Final answer
    x = 297,973.52

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1.5x scale

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.