Finding the Fourth Proportional to 177,974.80, 245,601.90 and 97,400.68
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Solution
The fourth proportional to 177,974.80, 245,601.90 and 97,400.68 is: 134,411.12
Step by Step Solution
- Step 1: Write the proportion equation
177,974.80 : 245,601.90 = 97,400.68 : x - Step 2: Convert to fraction form
177,974.80/245,601.90 = 97,400.68/x - Step 3: Cross multiply
177,974.80x = 245,601.90 × 97,400.68 - Step 4: Simplify right side
177,974.80x = 23,921,792,069.29 - Step 5: Solve for x
x = 23,921,792,069.29/177,974.80 - Step 6: Final answer
x = 134,411.12
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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.