Finding the Fourth Proportional to 322,674.16, 445,220.76 and 195,355.12
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Solution
The fourth proportional to 322,674.16, 445,220.76 and 195,355.12 is: 269,547.94
Step by Step Solution
- Step 1: Write the proportion equation
322,674.16 : 445,220.76 = 195,355.12 : x - Step 2: Convert to fraction form
322,674.16/445,220.76 = 195,355.12/x - Step 3: Cross multiply
322,674.16x = 445,220.76 × 195,355.12 - Step 4: Simplify right side
322,674.16x = 86,976,154,996.29 - Step 5: Solve for x
x = 86,976,154,996.29/322,674.16 - Step 6: Final answer
x = 269,547.94
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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.