Finding the Fourth Proportional to 412,035.63, 616,946.04 and 261,460.68
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Solution
The fourth proportional to 412,035.63, 616,946.04 and 261,460.68 is: 391,488.31
Step by Step Solution
- Step 1: Write the proportion equation
412,035.63 : 616,946.04 = 261,460.68 : x - Step 2: Convert to fraction form
412,035.63/616,946.04 = 261,460.68/x - Step 3: Cross multiply
412,035.63x = 616,946.04 × 261,460.68 - Step 4: Simplify right side
412,035.63x = 161,307,131,141.71 - Step 5: Solve for x
x = 161,307,131,141.71/412,035.63 - Step 6: Final answer
x = 391,488.31
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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.