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Finding the Fourth Proportional to 377,104.25, 520,384.61 and 207,305.57

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Solution

The fourth proportional to 377,104.25, 520,384.61 and 207,305.57 is: 286,071.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,104.25 : 520,384.61 = 207,305.57 : x
  2. Step 2: Convert to fraction form
    377,104.25/520,384.61 = 207,305.57/x
  3. Step 3: Cross multiply
    377,104.25x = 520,384.61 × 207,305.57
  4. Step 4: Simplify right side
    377,104.25x = 107,878,624,556.83
  5. Step 5: Solve for x
    x = 107,878,624,556.83/377,104.25
  6. Step 6: Final answer
    x = 286,071.10

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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.