Home / 343,404.10-514,741.65-165,795.40

Finding the Fourth Proportional to 343,404.10, 514,741.65 and 165,795.40

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Solution

The fourth proportional to 343,404.10, 514,741.65 and 165,795.40 is: 248,517.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,404.10 : 514,741.65 = 165,795.40 : x
  2. Step 2: Convert to fraction form
    343,404.10/514,741.65 = 165,795.40/x
  3. Step 3: Cross multiply
    343,404.10x = 514,741.65 × 165,795.40
  4. Step 4: Simplify right side
    343,404.10x = 85,341,797,758.41
  5. Step 5: Solve for x
    x = 85,341,797,758.41/343,404.10
  6. Step 6: Final answer
    x = 248,517.12

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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.