Home / 326,698.92-489,959.88-89,985.30

Finding the Fourth Proportional to 326,698.92, 489,959.88 and 89,985.30

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Solution

The fourth proportional to 326,698.92, 489,959.88 and 89,985.30 is: 134,953.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,698.92 : 489,959.88 = 89,985.30 : x
  2. Step 2: Convert to fraction form
    326,698.92/489,959.88 = 89,985.30/x
  3. Step 3: Cross multiply
    326,698.92x = 489,959.88 × 89,985.30
  4. Step 4: Simplify right side
    326,698.92x = 44,089,186,789.76
  5. Step 5: Solve for x
    x = 44,089,186,789.76/326,698.92
  6. Step 6: Final answer
    x = 134,953.57

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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.