Home / 280,185.02-386,755.17-165,464.13

Finding the Fourth Proportional to 280,185.02, 386,755.17 and 165,464.13

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Solution

The fourth proportional to 280,185.02, 386,755.17 and 165,464.13 is: 228,399.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,185.02 : 386,755.17 = 165,464.13 : x
  2. Step 2: Convert to fraction form
    280,185.02/386,755.17 = 165,464.13/x
  3. Step 3: Cross multiply
    280,185.02x = 386,755.17 × 165,464.13
  4. Step 4: Simplify right side
    280,185.02x = 63,994,107,157.95
  5. Step 5: Solve for x
    x = 63,994,107,157.95/280,185.02
  6. Step 6: Final answer
    x = 228,399.46

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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.