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Finding the Fourth Proportional to 377,119.63, 520,350.30 and 211,552.91

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Solution

The fourth proportional to 377,119.63, 520,350.30 and 211,552.91 is: 291,901.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,119.63 : 520,350.30 = 211,552.91 : x
  2. Step 2: Convert to fraction form
    377,119.63/520,350.30 = 211,552.91/x
  3. Step 3: Cross multiply
    377,119.63x = 520,350.30 × 211,552.91
  4. Step 4: Simplify right side
    377,119.63x = 110,081,617,582.62
  5. Step 5: Solve for x
    x = 110,081,617,582.62/377,119.63
  6. Step 6: Final answer
    x = 291,901.06

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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.