Home / 326,613.04-489,793.58-126,907.13

Finding the Fourth Proportional to 326,613.04, 489,793.58 and 126,907.13

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Solution

The fourth proportional to 326,613.04, 489,793.58 and 126,907.13 is: 190,311.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,613.04 : 489,793.58 = 126,907.13 : x
  2. Step 2: Convert to fraction form
    326,613.04/489,793.58 = 126,907.13/x
  3. Step 3: Cross multiply
    326,613.04x = 489,793.58 × 126,907.13
  4. Step 4: Simplify right side
    326,613.04x = 62,158,296,895.69
  5. Step 5: Solve for x
    x = 62,158,296,895.69/326,613.04
  6. Step 6: Final answer
    x = 190,311.75

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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.