Home / 280,944.95-421,417.82-114,732.95

Finding the Fourth Proportional to 280,944.95, 421,417.82 and 114,732.95

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Solution

The fourth proportional to 280,944.95, 421,417.82 and 114,732.95 is: 172,099.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,944.95 : 421,417.82 = 114,732.95 : x
  2. Step 2: Convert to fraction form
    280,944.95/421,417.82 = 114,732.95/x
  3. Step 3: Cross multiply
    280,944.95x = 421,417.82 × 114,732.95
  4. Step 4: Simplify right side
    280,944.95x = 48,350,506,990.42
  5. Step 5: Solve for x
    x = 48,350,506,990.42/280,944.95
  6. Step 6: Final answer
    x = 172,099.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.