Home / 326,526.52-489,601.20-126,613.35

Finding the Fourth Proportional to 326,526.52, 489,601.20 and 126,613.35

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Solution

The fourth proportional to 326,526.52, 489,601.20 and 126,613.35 is: 189,846.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,526.52 : 489,601.20 = 126,613.35 : x
  2. Step 2: Convert to fraction form
    326,526.52/489,601.20 = 126,613.35/x
  3. Step 3: Cross multiply
    326,526.52x = 489,601.20 × 126,613.35
  4. Step 4: Simplify right side
    326,526.52x = 61,990,048,096.02
  5. Step 5: Solve for x
    x = 61,990,048,096.02/326,526.52
  6. Step 6: Final answer
    x = 189,846.90

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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.