Finding the Fourth Proportional to 470,427.67, 649,194.75 and 255,569.28
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Solution
The fourth proportional to 470,427.67, 649,194.75 and 255,569.28 is: 352,688.09
Step by Step Solution
- Step 1: Write the proportion equation
470,427.67 : 649,194.75 = 255,569.28 : x - Step 2: Convert to fraction form
470,427.67/649,194.75 = 255,569.28/x - Step 3: Cross multiply
470,427.67x = 649,194.75 × 255,569.28 - Step 4: Simplify right side
470,427.67x = 165,914,234,837.28 - Step 5: Solve for x
x = 165,914,234,837.28/470,427.67 - Step 6: Final answer
x = 352,688.09
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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.