Finding the Fourth Proportional to 438,092.80, 604,575.03 and 247,109.99
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Solution
The fourth proportional to 438,092.80, 604,575.03 and 247,109.99 is: 341,015.72
Step by Step Solution
- Step 1: Write the proportion equation
438,092.80 : 604,575.03 = 247,109.99 : x - Step 2: Convert to fraction form
438,092.80/604,575.03 = 247,109.99/x - Step 3: Cross multiply
438,092.80x = 604,575.03 × 247,109.99 - Step 4: Simplify right side
438,092.80x = 149,396,529,617.55 - Step 5: Solve for x
x = 149,396,529,617.55/438,092.80 - Step 6: Final answer
x = 341,015.72
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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.