Finding the Fourth Proportional to 286,767.93, 395,744.33 and 157,712.05
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Solution
The fourth proportional to 286,767.93, 395,744.33 and 157,712.05 is: 217,645.15
Step by Step Solution
- Step 1: Write the proportion equation
286,767.93 : 395,744.33 = 157,712.05 : x - Step 2: Convert to fraction form
286,767.93/395,744.33 = 157,712.05/x - Step 3: Cross multiply
286,767.93x = 395,744.33 × 157,712.05 - Step 4: Simplify right side
286,767.93x = 62,413,650,449.14 - Step 5: Solve for x
x = 62,413,650,449.14/286,767.93 - Step 6: Final answer
x = 217,645.15
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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.