Finding the Fourth Proportional to 295,545.09, 407,852.69 and 168,220.70
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Solution
The fourth proportional to 295,545.09, 407,852.69 and 168,220.70 is: 232,144.82
Step by Step Solution
- Step 1: Write the proportion equation
295,545.09 : 407,852.69 = 168,220.70 : x - Step 2: Convert to fraction form
295,545.09/407,852.69 = 168,220.70/x - Step 3: Cross multiply
295,545.09x = 407,852.69 × 168,220.70 - Step 4: Simplify right side
295,545.09x = 68,609,262,128.32 - Step 5: Solve for x
x = 68,609,262,128.32/295,545.09 - Step 6: Final answer
x = 232,144.82
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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.