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Finding the Fourth Proportional to 377,066.14, 520,297.14 and 221,925.22

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Solution

The fourth proportional to 377,066.14, 520,297.14 and 221,925.22 is: 306,224.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,066.14 : 520,297.14 = 221,925.22 : x
  2. Step 2: Convert to fraction form
    377,066.14/520,297.14 = 221,925.22/x
  3. Step 3: Cross multiply
    377,066.14x = 520,297.14 × 221,925.22
  4. Step 4: Simplify right side
    377,066.14x = 115,467,057,259.87
  5. Step 5: Solve for x
    x = 115,467,057,259.87/377,066.14
  6. Step 6: Final answer
    x = 306,224.94

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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.