Home / 284,739.50-392,928.06-163,884.67

Finding the Fourth Proportional to 284,739.50, 392,928.06 and 163,884.67

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Solution

The fourth proportional to 284,739.50, 392,928.06 and 163,884.67 is: 226,153.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,739.50 : 392,928.06 = 163,884.67 : x
  2. Step 2: Convert to fraction form
    284,739.50/392,928.06 = 163,884.67/x
  3. Step 3: Cross multiply
    284,739.50x = 392,928.06 × 163,884.67
  4. Step 4: Simplify right side
    284,739.50x = 64,394,885,079.09
  5. Step 5: Solve for x
    x = 64,394,885,079.09/284,739.50
  6. Step 6: Final answer
    x = 226,153.68

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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.