Finding the Fourth Proportional to 170,416.50, 235,176.41 and 93,938.54
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Solution
The fourth proportional to 170,416.50, 235,176.41 and 93,938.54 is: 129,636.09
Step by Step Solution
- Step 1: Write the proportion equation
170,416.50 : 235,176.41 = 93,938.54 : x - Step 2: Convert to fraction form
170,416.50/235,176.41 = 93,938.54/x - Step 3: Cross multiply
170,416.50x = 235,176.41 × 93,938.54 - Step 4: Simplify right side
170,416.50x = 22,092,128,597.84 - Step 5: Solve for x
x = 22,092,128,597.84/170,416.50 - Step 6: Final answer
x = 129,636.09
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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.