Finding the Fourth Proportional to 438,083.44, 604,544.21 and 247,081.79
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Solution
The fourth proportional to 438,083.44, 604,544.21 and 247,081.79 is: 340,966.71
Step by Step Solution
- Step 1: Write the proportion equation
438,083.44 : 604,544.21 = 247,081.79 : x - Step 2: Convert to fraction form
438,083.44/604,544.21 = 247,081.79/x - Step 3: Cross multiply
438,083.44x = 604,544.21 × 247,081.79 - Step 4: Simplify right side
438,083.44x = 149,371,866,743.44 - Step 5: Solve for x
x = 149,371,866,743.44/438,083.44 - Step 6: Final answer
x = 340,966.71
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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.