Finding the Fourth Proportional to 342,382.68, 472,498.11 and 187,343.28
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Solution
The fourth proportional to 342,382.68, 472,498.11 and 187,343.28 is: 258,539.20
Step by Step Solution
- Step 1: Write the proportion equation
342,382.68 : 472,498.11 = 187,343.28 : x - Step 2: Convert to fraction form
342,382.68/472,498.11 = 187,343.28/x - Step 3: Cross multiply
342,382.68x = 472,498.11 × 187,343.28 - Step 4: Simplify right side
342,382.68x = 88,519,345,721.20 - Step 5: Solve for x
x = 88,519,345,721.20/342,382.68 - Step 6: Final answer
x = 258,539.20
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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.