Finding the Fourth Proportional to 525,231.68, 724,828.32 and 286,767.68
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Solution
The fourth proportional to 525,231.68, 724,828.32 and 286,767.68 is: 395,744.09
Step by Step Solution
- Step 1: Write the proportion equation
525,231.68 : 724,828.32 = 286,767.68 : x - Step 2: Convert to fraction form
525,231.68/724,828.32 = 286,767.68/x - Step 3: Cross multiply
525,231.68x = 724,828.32 × 286,767.68 - Step 4: Simplify right side
525,231.68x = 207,857,335,724.70 - Step 5: Solve for x
x = 207,857,335,724.70/525,231.68 - Step 6: Final answer
x = 395,744.09
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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.