Finding the Fourth Proportional to 559,187.05, 771,699.96 and 317,492.11
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Solution
The fourth proportional to 559,187.05, 771,699.96 and 317,492.11 is: 438,151.50
Step by Step Solution
- Step 1: Write the proportion equation
559,187.05 : 771,699.96 = 317,492.11 : x - Step 2: Convert to fraction form
559,187.05/771,699.96 = 317,492.11/x - Step 3: Cross multiply
559,187.05x = 771,699.96 × 317,492.11 - Step 4: Simplify right side
559,187.05x = 245,008,644,728.82 - Step 5: Solve for x
x = 245,008,644,728.82/559,187.05 - Step 6: Final answer
x = 438,151.50
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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.