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Finding the Fourth Proportional to 377,339.55, 520,736.67 and 207,573.66

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Solution

The fourth proportional to 377,339.55, 520,736.67 and 207,573.66 is: 286,456.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,339.55 : 520,736.67 = 207,573.66 : x
  2. Step 2: Convert to fraction form
    377,339.55/520,736.67 = 207,573.66/x
  3. Step 3: Cross multiply
    377,339.55x = 520,736.67 × 207,573.66
  4. Step 4: Simplify right side
    377,339.55x = 108,091,216,488.11
  5. Step 5: Solve for x
    x = 108,091,216,488.11/377,339.55
  6. Step 6: Final answer
    x = 286,456.10

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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.