Finding the Fourth Proportional to 438,254.09, 604,791.26 and 247,285.25
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Solution
The fourth proportional to 438,254.09, 604,791.26 and 247,285.25 is: 341,253.99
Step by Step Solution
- Step 1: Write the proportion equation
438,254.09 : 604,791.26 = 247,285.25 : x - Step 2: Convert to fraction form
438,254.09/604,791.26 = 247,285.25/x - Step 3: Cross multiply
438,254.09x = 604,791.26 × 247,285.25 - Step 4: Simplify right side
438,254.09x = 149,555,960,263.77 - Step 5: Solve for x
x = 149,555,960,263.77/438,254.09 - Step 6: Final answer
x = 341,253.99
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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.