Finding the Fourth Proportional to 217,277.70, 325,916.55 and 188,117.70
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Solution
The fourth proportional to 217,277.70, 325,916.55 and 188,117.70 is: 282,176.55
Step by Step Solution
- Step 1: Write the proportion equation
217,277.70 : 325,916.55 = 188,117.70 : x - Step 2: Convert to fraction form
217,277.70/325,916.55 = 188,117.70/x - Step 3: Cross multiply
217,277.70x = 325,916.55 × 188,117.70 - Step 4: Simplify right side
217,277.70x = 61,310,671,777.94 - Step 5: Solve for x
x = 61,310,671,777.94/217,277.70 - Step 6: Final answer
x = 282,176.55
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.