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Finding the Fourth Proportional to 453,331.98, 625,619.16 and 262,308.33

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Solution

The fourth proportional to 453,331.98, 625,619.16 and 262,308.33 is: 361,997.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,331.98 : 625,619.16 = 262,308.33 : x
  2. Step 2: Convert to fraction form
    453,331.98/625,619.16 = 262,308.33/x
  3. Step 3: Cross multiply
    453,331.98x = 625,619.16 × 262,308.33
  4. Step 4: Simplify right side
    453,331.98x = 164,105,117,075.60
  5. Step 5: Solve for x
    x = 164,105,117,075.60/453,331.98
  6. Step 6: Final answer
    x = 361,997.66

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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.