Home / 347,790.80-521,686.20-170,206.40

Finding the Fourth Proportional to 347,790.80, 521,686.20 and 170,206.40

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Solution

The fourth proportional to 347,790.80, 521,686.20 and 170,206.40 is: 255,309.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,790.80 : 521,686.20 = 170,206.40 : x
  2. Step 2: Convert to fraction form
    347,790.80/521,686.20 = 170,206.40/x
  3. Step 3: Cross multiply
    347,790.80x = 521,686.20 × 170,206.40
  4. Step 4: Simplify right side
    347,790.80x = 88,794,330,031.68
  5. Step 5: Solve for x
    x = 88,794,330,031.68/347,790.80
  6. Step 6: Final answer
    x = 255,309.60

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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.