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Finding the Fourth Proportional to 307,276.40, 460,914.60 and 275,783.60

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Solution

The fourth proportional to 307,276.40, 460,914.60 and 275,783.60 is: 413,675.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,276.40 : 460,914.60 = 275,783.60 : x
  2. Step 2: Convert to fraction form
    307,276.40/460,914.60 = 275,783.60/x
  3. Step 3: Cross multiply
    307,276.40x = 460,914.60 × 275,783.60
  4. Step 4: Simplify right side
    307,276.40x = 127,112,687,680.56
  5. Step 5: Solve for x
    x = 127,112,687,680.56/307,276.40
  6. Step 6: Final answer
    x = 413,675.40

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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.