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Finding the Fourth Proportional to 525,242.83, 788,110.27 and 258,858.03

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Solution

The fourth proportional to 525,242.83, 788,110.27 and 258,858.03 is: 388,408.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,242.83 : 788,110.27 = 258,858.03 : x
  2. Step 2: Convert to fraction form
    525,242.83/788,110.27 = 258,858.03/x
  3. Step 3: Cross multiply
    525,242.83x = 788,110.27 × 258,858.03
  4. Step 4: Simplify right side
    525,242.83x = 204,008,671,914.97
  5. Step 5: Solve for x
    x = 204,008,671,914.97/525,242.83
  6. Step 6: Final answer
    x = 388,408.30

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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.