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Finding the Fourth Proportional to 341,331.30, 510,830.55 and 299,340.90

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Solution

The fourth proportional to 341,331.30, 510,830.55 and 299,340.90 is: 447,988.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,331.30 : 510,830.55 = 299,340.90 : x
  2. Step 2: Convert to fraction form
    341,331.30/510,830.55 = 299,340.90/x
  3. Step 3: Cross multiply
    341,331.30x = 510,830.55 × 299,340.90
  4. Step 4: Simplify right side
    341,331.30x = 152,912,476,584.50
  5. Step 5: Solve for x
    x = 152,912,476,584.50/341,331.30
  6. Step 6: Final answer
    x = 447,988.44

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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.