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Finding the Fourth Proportional to 373,075.52, 514,843.32 and 203,309.36

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Solution

The fourth proportional to 373,075.52, 514,843.32 and 203,309.36 is: 280,566.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,075.52 : 514,843.32 = 203,309.36 : x
  2. Step 2: Convert to fraction form
    373,075.52/514,843.32 = 203,309.36/x
  3. Step 3: Cross multiply
    373,075.52x = 514,843.32 × 203,309.36
  4. Step 4: Simplify right side
    373,075.52x = 104,672,465,889.48
  5. Step 5: Solve for x
    x = 104,672,465,889.48/373,075.52
  6. Step 6: Final answer
    x = 280,566.43

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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.