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Finding the Fourth Proportional to 342,790.80, 514,186.20 and 335,792.40

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Solution

The fourth proportional to 342,790.80, 514,186.20 and 335,792.40 is: 503,688.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,790.80 : 514,186.20 = 335,792.40 : x
  2. Step 2: Convert to fraction form
    342,790.80/514,186.20 = 335,792.40/x
  3. Step 3: Cross multiply
    342,790.80x = 514,186.20 × 335,792.40
  4. Step 4: Simplify right side
    342,790.80x = 172,659,818,144.88
  5. Step 5: Solve for x
    x = 172,659,818,144.88/342,790.80
  6. Step 6: Final answer
    x = 503,688.60

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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.