Finding the Fourth Proportional to 872,221.98, 1,308,357.57 and 241,135.74
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Solution
The fourth proportional to 872,221.98, 1,308,357.57 and 241,135.74 is: 361,710.41
Step by Step Solution
- Step 1: Write the proportion equation
872,221.98 : 1,308,357.57 = 241,135.74 : x - Step 2: Convert to fraction form
872,221.98/1,308,357.57 = 241,135.74/x - Step 3: Cross multiply
872,221.98x = 1,308,357.57 × 241,135.74 - Step 4: Simplify right side
872,221.98x = 315,491,770,826.55 - Step 5: Solve for x
x = 315,491,770,826.55/872,221.98 - Step 6: Final answer
x = 361,710.41
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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.