Finding the Fourth Proportional to 462,121.05, 637,663.95 and 258,146.75
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Solution
The fourth proportional to 462,121.05, 637,663.95 and 258,146.75 is: 356,207.27
Step by Step Solution
- Step 1: Write the proportion equation
462,121.05 : 637,663.95 = 258,146.75 : x - Step 2: Convert to fraction form
462,121.05/637,663.95 = 258,146.75/x - Step 3: Cross multiply
462,121.05x = 637,663.95 × 258,146.75 - Step 4: Simplify right side
462,121.05x = 164,610,877,878.82 - Step 5: Solve for x
x = 164,610,877,878.82/462,121.05 - Step 6: Final answer
x = 356,207.27
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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.