Home / 347,829.80-521,744.70-170,245.40

Finding the Fourth Proportional to 347,829.80, 521,744.70 and 170,245.40

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Solution

The fourth proportional to 347,829.80, 521,744.70 and 170,245.40 is: 255,368.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,829.80 : 521,744.70 = 170,245.40 : x
  2. Step 2: Convert to fraction form
    347,829.80/521,744.70 = 170,245.40/x
  3. Step 3: Cross multiply
    347,829.80x = 521,744.70 × 170,245.40
  4. Step 4: Simplify right side
    347,829.80x = 88,824,635,149.38
  5. Step 5: Solve for x
    x = 88,824,635,149.38/347,829.80
  6. Step 6: Final answer
    x = 255,368.10

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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.