Home / 436,623.80-655,281.30-170,511.80

Finding the Fourth Proportional to 436,623.80, 655,281.30 and 170,511.80

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Solution

The fourth proportional to 436,623.80, 655,281.30 and 170,511.80 is: 255,902.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,623.80 : 655,281.30 = 170,511.80 : x
  2. Step 2: Convert to fraction form
    436,623.80/655,281.30 = 170,511.80/x
  3. Step 3: Cross multiply
    436,623.80x = 655,281.30 × 170,511.80
  4. Step 4: Simplify right side
    436,623.80x = 111,733,193,969.34
  5. Step 5: Solve for x
    x = 111,733,193,969.34/436,623.80
  6. Step 6: Final answer
    x = 255,902.66

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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.