Finding the Fourth Proportional to 157,342.24, 217,214.58 and 122,812.93
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Solution
The fourth proportional to 157,342.24, 217,214.58 and 122,812.93 is: 169,546.08
Step by Step Solution
- Step 1: Write the proportion equation
157,342.24 : 217,214.58 = 122,812.93 : x - Step 2: Convert to fraction form
157,342.24/217,214.58 = 122,812.93/x - Step 3: Cross multiply
157,342.24x = 217,214.58 × 122,812.93 - Step 4: Simplify right side
157,342.24x = 26,676,759,740.59 - Step 5: Solve for x
x = 26,676,759,740.59/157,342.24 - Step 6: Final answer
x = 169,546.08
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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.