Home / 377,924.51-521,535.80-208,158.63

Finding the Fourth Proportional to 377,924.51, 521,535.80 and 208,158.63

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Solution

The fourth proportional to 377,924.51, 521,535.80 and 208,158.63 is: 287,258.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,924.51 : 521,535.80 = 208,158.63 : x
  2. Step 2: Convert to fraction form
    377,924.51/521,535.80 = 208,158.63/x
  3. Step 3: Cross multiply
    377,924.51x = 521,535.80 × 208,158.63
  4. Step 4: Simplify right side
    377,924.51x = 108,562,180,100.11
  5. Step 5: Solve for x
    x = 108,562,180,100.11/377,924.51
  6. Step 6: Final answer
    x = 287,258.90

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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.