Finding the Fourth Proportional to 439,355.35, 658,795.95 and 199,338.26
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Solution
The fourth proportional to 439,355.35, 658,795.95 and 199,338.26 is: 298,899.82
Step by Step Solution
- Step 1: Write the proportion equation
439,355.35 : 658,795.95 = 199,338.26 : x - Step 2: Convert to fraction form
439,355.35/658,795.95 = 199,338.26/x - Step 3: Cross multiply
439,355.35x = 658,795.95 × 199,338.26 - Step 4: Simplify right side
439,355.35x = 131,323,235,074.07 - Step 5: Solve for x
x = 131,323,235,074.07/439,355.35 - Step 6: Final answer
x = 298,899.82
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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.