Home / 288,867.20-433,556.80-170,390.40

Finding the Fourth Proportional to 288,867.20, 433,556.80 and 170,390.40

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Solution

The fourth proportional to 288,867.20, 433,556.80 and 170,390.40 is: 255,736.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,867.20 : 433,556.80 = 170,390.40 : x
  2. Step 2: Convert to fraction form
    288,867.20/433,556.80 = 170,390.40/x
  3. Step 3: Cross multiply
    288,867.20x = 433,556.80 × 170,390.40
  4. Step 4: Simplify right side
    288,867.20x = 73,873,916,574.72
  5. Step 5: Solve for x
    x = 73,873,916,574.72/288,867.20
  6. Step 6: Final answer
    x = 255,736.60

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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.