Home / 377,863.02-521,447.76-208,093.50

Finding the Fourth Proportional to 377,863.02, 521,447.76 and 208,093.50

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Solution

The fourth proportional to 377,863.02, 521,447.76 and 208,093.50 is: 287,167.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,863.02 : 521,447.76 = 208,093.50 : x
  2. Step 2: Convert to fraction form
    377,863.02/521,447.76 = 208,093.50/x
  3. Step 3: Cross multiply
    377,863.02x = 521,447.76 × 208,093.50
  4. Step 4: Simplify right side
    377,863.02x = 108,509,889,445.56
  5. Step 5: Solve for x
    x = 108,509,889,445.56/377,863.02
  6. Step 6: Final answer
    x = 287,167.26

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1.5x scale

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.