Home / 377,866.60-521,456.46-205,784.93

Finding the Fourth Proportional to 377,866.60, 521,456.46 and 205,784.93

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Solution

The fourth proportional to 377,866.60, 521,456.46 and 205,784.93 is: 283,983.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,866.60 : 521,456.46 = 205,784.93 : x
  2. Step 2: Convert to fraction form
    377,866.60/521,456.46 = 205,784.93/x
  3. Step 3: Cross multiply
    377,866.60x = 521,456.46 × 205,784.93
  4. Step 4: Simplify right side
    377,866.60x = 107,307,881,119.15
  5. Step 5: Solve for x
    x = 107,307,881,119.15/377,866.60
  6. Step 6: Final answer
    x = 283,983.50

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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.