Finding the Fourth Proportional to 157,316.93, 217,177.83 and 106,597.70
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Solution
The fourth proportional to 157,316.93, 217,177.83 and 106,597.70 is: 147,159.35
Step by Step Solution
- Step 1: Write the proportion equation
157,316.93 : 217,177.83 = 106,597.70 : x - Step 2: Convert to fraction form
157,316.93/217,177.83 = 106,597.70/x - Step 3: Cross multiply
157,316.93x = 217,177.83 × 106,597.70 - Step 4: Simplify right side
157,316.93x = 23,150,656,083.10 - Step 5: Solve for x
x = 23,150,656,083.10/157,316.93 - Step 6: Final answer
x = 147,159.35
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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.