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Finding the Fourth Proportional to 377,424.93, 520,854.35 and 207,659.37

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Solution

The fourth proportional to 377,424.93, 520,854.35 and 207,659.37 is: 286,574.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,424.93 : 520,854.35 = 207,659.37 : x
  2. Step 2: Convert to fraction form
    377,424.93/520,854.35 = 207,659.37/x
  3. Step 3: Cross multiply
    377,424.93x = 520,854.35 × 207,659.37
  4. Step 4: Simplify right side
    377,424.93x = 108,160,285,144.46
  5. Step 5: Solve for x
    x = 108,160,285,144.46/377,424.93
  6. Step 6: Final answer
    x = 286,574.30

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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.