Finding the Fourth Proportional to 375,005.70, 517,495.11 and 205,236.18
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Solution
The fourth proportional to 375,005.70, 517,495.11 and 205,236.18 is: 283,218.95
Step by Step Solution
- Step 1: Write the proportion equation
375,005.70 : 517,495.11 = 205,236.18 : x - Step 2: Convert to fraction form
375,005.70/517,495.11 = 205,236.18/x - Step 3: Cross multiply
375,005.70x = 517,495.11 × 205,236.18 - Step 4: Simplify right side
375,005.70x = 106,208,719,545.08 - Step 5: Solve for x
x = 106,208,719,545.08/375,005.70 - Step 6: Final answer
x = 283,218.95
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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.