Home / 377,829.63-521,411.72-205,752.69

Finding the Fourth Proportional to 377,829.63, 521,411.72 and 205,752.69

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Solution

The fourth proportional to 377,829.63, 521,411.72 and 205,752.69 is: 283,942.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,829.63 : 521,411.72 = 205,752.69 : x
  2. Step 2: Convert to fraction form
    377,829.63/521,411.72 = 205,752.69/x
  3. Step 3: Cross multiply
    377,829.63x = 521,411.72 × 205,752.69
  4. Step 4: Simplify right side
    377,829.63x = 107,281,862,958.76
  5. Step 5: Solve for x
    x = 107,281,862,958.76/377,829.63
  6. Step 6: Final answer
    x = 283,942.43

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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.