Home / 217,045.60-325,568.40-163,823.20

Finding the Fourth Proportional to 217,045.60, 325,568.40 and 163,823.20

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Solution

The fourth proportional to 217,045.60, 325,568.40 and 163,823.20 is: 245,734.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,045.60 : 325,568.40 = 163,823.20 : x
  2. Step 2: Convert to fraction form
    217,045.60/325,568.40 = 163,823.20/x
  3. Step 3: Cross multiply
    217,045.60x = 325,568.40 × 163,823.20
  4. Step 4: Simplify right side
    217,045.60x = 53,335,657,106.88
  5. Step 5: Solve for x
    x = 53,335,657,106.88/217,045.60
  6. Step 6: Final answer
    x = 245,734.80

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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.