Finding the Fourth Proportional to 237,892.68, 328,291.56 and 137,290.68
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Solution
The fourth proportional to 237,892.68, 328,291.56 and 137,290.68 is: 189,460.94
Step by Step Solution
- Step 1: Write the proportion equation
237,892.68 : 328,291.56 = 137,290.68 : x - Step 2: Convert to fraction form
237,892.68/328,291.56 = 137,290.68/x - Step 3: Cross multiply
237,892.68x = 328,291.56 × 137,290.68 - Step 4: Simplify right side
237,892.68x = 45,071,371,510.66 - Step 5: Solve for x
x = 45,071,371,510.66/237,892.68 - Step 6: Final answer
x = 189,460.94
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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.