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Finding the Fourth Proportional to 341,937.60, 513,520.80 and 330,878.40

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Solution

The fourth proportional to 341,937.60, 513,520.80 and 330,878.40 is: 496,912.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,937.60 : 513,520.80 = 330,878.40 : x
  2. Step 2: Convert to fraction form
    341,937.60/513,520.80 = 330,878.40/x
  3. Step 3: Cross multiply
    341,937.60x = 513,520.80 × 330,878.40
  4. Step 4: Simplify right side
    341,937.60x = 169,912,940,670.72
  5. Step 5: Solve for x
    x = 169,912,940,670.72/341,937.60
  6. Step 6: Final answer
    x = 496,912.13

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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.