Home / 280,928.16-421,304.40-93,895.92

Finding the Fourth Proportional to 280,928.16, 421,304.40 and 93,895.92

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Solution

The fourth proportional to 280,928.16, 421,304.40 and 93,895.92 is: 140,814.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,928.16 : 421,304.40 = 93,895.92 : x
  2. Step 2: Convert to fraction form
    280,928.16/421,304.40 = 93,895.92/x
  3. Step 3: Cross multiply
    280,928.16x = 421,304.40 × 93,895.92
  4. Step 4: Simplify right side
    280,928.16x = 39,558,764,238.05
  5. Step 5: Solve for x
    x = 39,558,764,238.05/280,928.16
  6. Step 6: Final answer
    x = 140,814.52

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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.