Finding the Fourth Proportional to 636,234.23, 954,326.37 and 215,510.09
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Solution
The fourth proportional to 636,234.23, 954,326.37 and 215,510.09 is: 323,256.68
Step by Step Solution
- Step 1: Write the proportion equation
636,234.23 : 954,326.37 = 215,510.09 : x - Step 2: Convert to fraction form
636,234.23/954,326.37 = 215,510.09/x - Step 3: Cross multiply
636,234.23x = 954,326.37 × 215,510.09 - Step 4: Simplify right side
636,234.23x = 205,666,961,888.07 - Step 5: Solve for x
x = 205,666,961,888.07/636,234.23 - Step 6: Final answer
x = 323,256.68
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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.