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Finding the Fourth Proportional to 377,464.50, 520,904.66 and 207,702.27

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Solution

The fourth proportional to 377,464.50, 520,904.66 and 207,702.27 is: 286,631.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,464.50 : 520,904.66 = 207,702.27 : x
  2. Step 2: Convert to fraction form
    377,464.50/520,904.66 = 207,702.27/x
  3. Step 3: Cross multiply
    377,464.50x = 520,904.66 × 207,702.27
  4. Step 4: Simplify right side
    377,464.50x = 108,193,079,297.07
  5. Step 5: Solve for x
    x = 108,193,079,297.07/377,464.50
  6. Step 6: Final answer
    x = 286,631.14

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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.