Finding the Fourth Proportional to 238,095.23, 328,586.18 and 157,382.78
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Solution
The fourth proportional to 238,095.23, 328,586.18 and 157,382.78 is: 217,197.99
Step by Step Solution
- Step 1: Write the proportion equation
238,095.23 : 328,586.18 = 157,382.78 : x - Step 2: Convert to fraction form
238,095.23/328,586.18 = 157,382.78/x - Step 3: Cross multiply
238,095.23x = 328,586.18 × 157,382.78 - Step 4: Simplify right side
238,095.23x = 51,713,804,048.14 - Step 5: Solve for x
x = 51,713,804,048.14/238,095.23 - Step 6: Final answer
x = 217,197.99
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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.