Finding the Fourth Proportional to 465,580.99, 642,481.05 and 272,006.65
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Solution
The fourth proportional to 465,580.99, 642,481.05 and 272,006.65 is: 375,357.07
Step by Step Solution
- Step 1: Write the proportion equation
465,580.99 : 642,481.05 = 272,006.65 : x - Step 2: Convert to fraction form
465,580.99/642,481.05 = 272,006.65/x - Step 3: Cross multiply
465,580.99x = 642,481.05 × 272,006.65 - Step 4: Simplify right side
465,580.99x = 174,759,118,098.98 - Step 5: Solve for x
x = 174,759,118,098.98/465,580.99 - Step 6: Final answer
x = 375,357.07
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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.