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Finding the Fourth Proportional to 300,860.18, 450,273.05 and 292,764.06

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Solution

The fourth proportional to 300,860.18, 450,273.05 and 292,764.06 is: 438,156.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,860.18 : 450,273.05 = 292,764.06 : x
  2. Step 2: Convert to fraction form
    300,860.18/450,273.05 = 292,764.06/x
  3. Step 3: Cross multiply
    300,860.18x = 450,273.05 × 292,764.06
  4. Step 4: Simplify right side
    300,860.18x = 131,823,764,762.76
  5. Step 5: Solve for x
    x = 131,823,764,762.76/300,860.18
  6. Step 6: Final answer
    x = 438,156.25

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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.