Finding the Fourth Proportional to 343,578.08, 515,415.72 and 133,237.28
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Solution
The fourth proportional to 343,578.08, 515,415.72 and 133,237.28 is: 199,874.77
Step by Step Solution
- Step 1: Write the proportion equation
343,578.08 : 515,415.72 = 133,237.28 : x - Step 2: Convert to fraction form
343,578.08/515,415.72 = 133,237.28/x - Step 3: Cross multiply
343,578.08x = 515,415.72 × 133,237.28 - Step 4: Simplify right side
343,578.08x = 68,672,588,602.04 - Step 5: Solve for x
x = 68,672,588,602.04/343,578.08 - Step 6: Final answer
x = 199,874.77
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.