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Finding the Fourth Proportional to 377,480.72, 520,927.08 and 207,718.52

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Solution

The fourth proportional to 377,480.72, 520,927.08 and 207,718.52 is: 286,653.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,480.72 : 520,927.08 = 207,718.52 : x
  2. Step 2: Convert to fraction form
    377,480.72/520,927.08 = 207,718.52/x
  3. Step 3: Cross multiply
    377,480.72x = 520,927.08 × 207,718.52
  4. Step 4: Simplify right side
    377,480.72x = 108,206,202,085.52
  5. Step 5: Solve for x
    x = 108,206,202,085.52/377,480.72
  6. Step 6: Final answer
    x = 286,653.59

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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.