Home / 280,080.95-386,442.54-165,362.27

Finding the Fourth Proportional to 280,080.95, 386,442.54 and 165,362.27

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Solution

The fourth proportional to 280,080.95, 386,442.54 and 165,362.27 is: 228,159.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,080.95 : 386,442.54 = 165,362.27 : x
  2. Step 2: Convert to fraction form
    280,080.95/386,442.54 = 165,362.27/x
  3. Step 3: Cross multiply
    280,080.95x = 386,442.54 × 165,362.27
  4. Step 4: Simplify right side
    280,080.95x = 63,903,013,706.75
  5. Step 5: Solve for x
    x = 63,903,013,706.75/280,080.95
  6. Step 6: Final answer
    x = 228,159.09

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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.