Home / 280,934.16-421,313.40-93,901.92

Finding the Fourth Proportional to 280,934.16, 421,313.40 and 93,901.92

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Solution

The fourth proportional to 280,934.16, 421,313.40 and 93,901.92 is: 140,823.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,934.16 : 421,313.40 = 93,901.92 : x
  2. Step 2: Convert to fraction form
    280,934.16/421,313.40 = 93,901.92/x
  3. Step 3: Cross multiply
    280,934.16x = 421,313.40 × 93,901.92
  4. Step 4: Simplify right side
    280,934.16x = 39,562,137,181.73
  5. Step 5: Solve for x
    x = 39,562,137,181.73/280,934.16
  6. Step 6: Final answer
    x = 140,823.52

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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.