Home / 326,609.42-489,788.16-126,903.50

Finding the Fourth Proportional to 326,609.42, 489,788.16 and 126,903.50

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Solution

The fourth proportional to 326,609.42, 489,788.16 and 126,903.50 is: 190,306.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,609.42 : 489,788.16 = 126,903.50 : x
  2. Step 2: Convert to fraction form
    326,609.42/489,788.16 = 126,903.50/x
  3. Step 3: Cross multiply
    326,609.42x = 489,788.16 × 126,903.50
  4. Step 4: Simplify right side
    326,609.42x = 62,155,831,762.56
  5. Step 5: Solve for x
    x = 62,155,831,762.56/326,609.42
  6. Step 6: Final answer
    x = 190,306.30

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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.