Finding the Fourth Proportional to 291,541.05, 402,189.17 and 170,608.14
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Solution
The fourth proportional to 291,541.05, 402,189.17 and 170,608.14 is: 235,358.78
Step by Step Solution
- Step 1: Write the proportion equation
291,541.05 : 402,189.17 = 170,608.14 : x - Step 2: Convert to fraction form
291,541.05/402,189.17 = 170,608.14/x - Step 3: Cross multiply
291,541.05x = 402,189.17 × 170,608.14 - Step 4: Simplify right side
291,541.05x = 68,616,745,368.80 - Step 5: Solve for x
x = 68,616,745,368.80/291,541.05 - Step 6: Final answer
x = 235,358.78
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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.