Home / 282,793.95-390,215.03-166,438.23

Finding the Fourth Proportional to 282,793.95, 390,215.03 and 166,438.23

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Solution

The fourth proportional to 282,793.95, 390,215.03 and 166,438.23 is: 229,660.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,793.95 : 390,215.03 = 166,438.23 : x
  2. Step 2: Convert to fraction form
    282,793.95/390,215.03 = 166,438.23/x
  3. Step 3: Cross multiply
    282,793.95x = 390,215.03 × 166,438.23
  4. Step 4: Simplify right side
    282,793.95x = 64,946,698,912.60
  5. Step 5: Solve for x
    x = 64,946,698,912.60/282,793.95
  6. Step 6: Final answer
    x = 229,660.85

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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.