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Finding the Fourth Proportional to 345,997.34, 477,295.02 and 300,573.34

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Solution

The fourth proportional to 345,997.34, 477,295.02 and 300,573.34 is: 414,633.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,997.34 : 477,295.02 = 300,573.34 : x
  2. Step 2: Convert to fraction form
    345,997.34/477,295.02 = 300,573.34/x
  3. Step 3: Cross multiply
    345,997.34x = 477,295.02 × 300,573.34
  4. Step 4: Simplify right side
    345,997.34x = 143,462,158,326.77
  5. Step 5: Solve for x
    x = 143,462,158,326.77/345,997.34
  6. Step 6: Final answer
    x = 414,633.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.