Home / 377,815.68-521,389.44-208,050.48

Finding the Fourth Proportional to 377,815.68, 521,389.44 and 208,050.48

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Solution

The fourth proportional to 377,815.68, 521,389.44 and 208,050.48 is: 287,111.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,815.68 : 521,389.44 = 208,050.48 : x
  2. Step 2: Convert to fraction form
    377,815.68/521,389.44 = 208,050.48/x
  3. Step 3: Cross multiply
    377,815.68x = 521,389.44 × 208,050.48
  4. Step 4: Simplify right side
    377,815.68x = 108,475,323,258.93
  5. Step 5: Solve for x
    x = 108,475,323,258.93/377,815.68
  6. Step 6: Final answer
    x = 287,111.76

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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.