Home / 347,741.10-521,611.65-302,121.90

Finding the Fourth Proportional to 347,741.10, 521,611.65 and 302,121.90

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Solution

The fourth proportional to 347,741.10, 521,611.65 and 302,121.90 is: 453,182.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,741.10 : 521,611.65 = 302,121.90 : x
  2. Step 2: Convert to fraction form
    347,741.10/521,611.65 = 302,121.90/x
  3. Step 3: Cross multiply
    347,741.10x = 521,611.65 × 302,121.90
  4. Step 4: Simplify right side
    347,741.10x = 157,590,302,760.14
  5. Step 5: Solve for x
    x = 157,590,302,760.14/347,741.10
  6. Step 6: Final answer
    x = 453,182.85

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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.