Home / 377,852.02-521,425.64-205,766.55

Finding the Fourth Proportional to 377,852.02, 521,425.64 and 205,766.55

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Solution

The fourth proportional to 377,852.02, 521,425.64 and 205,766.55 is: 283,952.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,852.02 : 521,425.64 = 205,766.55 : x
  2. Step 2: Convert to fraction form
    377,852.02/521,425.64 = 205,766.55/x
  3. Step 3: Cross multiply
    377,852.02x = 521,425.64 × 205,766.55
  4. Step 4: Simplify right side
    377,852.02x = 107,291,955,538.76
  5. Step 5: Solve for x
    x = 107,291,955,538.76/377,852.02
  6. Step 6: Final answer
    x = 283,952.32

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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.