Home / 332,519.40-498,438.90-163,780.20

Finding the Fourth Proportional to 332,519.40, 498,438.90 and 163,780.20

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Solution

The fourth proportional to 332,519.40, 498,438.90 and 163,780.20 is: 245,502.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,519.40 : 498,438.90 = 163,780.20 : x
  2. Step 2: Convert to fraction form
    332,519.40/498,438.90 = 163,780.20/x
  3. Step 3: Cross multiply
    332,519.40x = 498,438.90 × 163,780.20
  4. Step 4: Simplify right side
    332,519.40x = 81,634,422,729.78
  5. Step 5: Solve for x
    x = 81,634,422,729.78/332,519.40
  6. Step 6: Final answer
    x = 245,502.74

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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.