Home / 326,526.60-489,761.10-89,848.20

Finding the Fourth Proportional to 326,526.60, 489,761.10 and 89,848.20

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Solution

The fourth proportional to 326,526.60, 489,761.10 and 89,848.20 is: 134,764.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,526.60 : 489,761.10 = 89,848.20 : x
  2. Step 2: Convert to fraction form
    326,526.60/489,761.10 = 89,848.20/x
  3. Step 3: Cross multiply
    326,526.60x = 489,761.10 × 89,848.20
  4. Step 4: Simplify right side
    326,526.60x = 44,004,153,265.02
  5. Step 5: Solve for x
    x = 44,004,153,265.02/326,526.60
  6. Step 6: Final answer
    x = 134,764.38

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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.