Finding the Fourth Proportional to 157,316.18, 217,176.80 and 106,596.95
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Solution
The fourth proportional to 157,316.18, 217,176.80 and 106,596.95 is: 147,158.31
Step by Step Solution
- Step 1: Write the proportion equation
157,316.18 : 217,176.80 = 106,596.95 : x - Step 2: Convert to fraction form
157,316.18/217,176.80 = 106,596.95/x - Step 3: Cross multiply
157,316.18x = 217,176.80 × 106,596.95 - Step 4: Simplify right side
157,316.18x = 23,150,382,871.89 - Step 5: Solve for x
x = 23,150,382,871.89/157,316.18 - Step 6: Final answer
x = 147,158.31
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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.