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Finding the Fourth Proportional to 377,379.06, 520,857.54 and 216,342.24

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Solution

The fourth proportional to 377,379.06, 520,857.54 and 216,342.24 is: 298,594.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,379.06 : 520,857.54 = 216,342.24 : x
  2. Step 2: Convert to fraction form
    377,379.06/520,857.54 = 216,342.24/x
  3. Step 3: Cross multiply
    377,379.06x = 520,857.54 × 216,342.24
  4. Step 4: Simplify right side
    377,379.06x = 112,683,486,924.49
  5. Step 5: Solve for x
    x = 112,683,486,924.49/377,379.06
  6. Step 6: Final answer
    x = 298,594.96

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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.