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Finding the Fourth Proportional to 341,951.40, 513,801.90 and 303,460.20

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Solution

The fourth proportional to 341,951.40, 513,801.90 and 303,460.20 is: 455,966.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,951.40 : 513,801.90 = 303,460.20 : x
  2. Step 2: Convert to fraction form
    341,951.40/513,801.90 = 303,460.20/x
  3. Step 3: Cross multiply
    341,951.40x = 513,801.90 × 303,460.20
  4. Step 4: Simplify right side
    341,951.40x = 155,918,427,334.38
  5. Step 5: Solve for x
    x = 155,918,427,334.38/341,951.40
  6. Step 6: Final answer
    x = 455,966.63

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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.