Finding the Fourth Proportional to 304,512,137.38, 420,227,174.73 and 165,282,927.94
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Solution
The fourth proportional to 304,512,137.38, 420,227,174.73 and 165,282,927.94 is: 228,090,671.32
Step by Step Solution
- Step 1: Write the proportion equation
304,512,137.38 : 420,227,174.73 = 165,282,927.94 : x - Step 2: Convert to fraction form
304,512,137.38/420,227,174.73 = 165,282,927.94/x - Step 3: Cross multiply
304,512,137.38x = 420,227,174.73 × 165,282,927.94 - Step 4: Simplify right side
304,512,137.38x = 69,456,377,839,328,384 - Step 5: Solve for x
x = 69,456,377,839,328,384/304,512,137.38 - Step 6: Final answer
x = 228,090,671.32
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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.