Finding the Fourth Proportional to 212,188.04, 292,813.62 and 116,694.81
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Solution
The fourth proportional to 212,188.04, 292,813.62 and 116,694.81 is: 161,035.61
Step by Step Solution
- Step 1: Write the proportion equation
212,188.04 : 292,813.62 = 116,694.81 : x - Step 2: Convert to fraction form
212,188.04/292,813.62 = 116,694.81/x - Step 3: Cross multiply
212,188.04x = 292,813.62 × 116,694.81 - Step 4: Simplify right side
212,188.04x = 34,169,829,751.31 - Step 5: Solve for x
x = 34,169,829,751.31/212,188.04 - Step 6: Final answer
x = 161,035.61
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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.