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Finding the Fourth Proportional to 341,495.40, 511,076.70 and 313,501.80

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Solution

The fourth proportional to 341,495.40, 511,076.70 and 313,501.80 is: 469,181.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,495.40 : 511,076.70 = 313,501.80 : x
  2. Step 2: Convert to fraction form
    341,495.40/511,076.70 = 313,501.80/x
  3. Step 3: Cross multiply
    341,495.40x = 511,076.70 × 313,501.80
  4. Step 4: Simplify right side
    341,495.40x = 160,223,465,388.06
  5. Step 5: Solve for x
    x = 160,223,465,388.06/341,495.40
  6. Step 6: Final answer
    x = 469,181.91

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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.