Home / 326,078.16-450,025.35-217,176.48

Finding the Fourth Proportional to 326,078.16, 450,025.35 and 217,176.48

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Solution

The fourth proportional to 326,078.16, 450,025.35 and 217,176.48 is: 299,728.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,078.16 : 450,025.35 = 217,176.48 : x
  2. Step 2: Convert to fraction form
    326,078.16/450,025.35 = 217,176.48/x
  3. Step 3: Cross multiply
    326,078.16x = 450,025.35 × 217,176.48
  4. Step 4: Simplify right side
    326,078.16x = 97,734,921,423.77
  5. Step 5: Solve for x
    x = 97,734,921,423.77/326,078.16
  6. Step 6: Final answer
    x = 299,728.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.