Finding the Fourth Proportional to 293,721.67, 405,355.95 and 166,398.31
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Solution
The fourth proportional to 293,721.67, 405,355.95 and 166,398.31 is: 229,641.02
Step by Step Solution
- Step 1: Write the proportion equation
293,721.67 : 405,355.95 = 166,398.31 : x - Step 2: Convert to fraction form
293,721.67/405,355.95 = 166,398.31/x - Step 3: Cross multiply
293,721.67x = 405,355.95 × 166,398.31 - Step 4: Simplify right side
293,721.67x = 67,450,542,169.67 - Step 5: Solve for x
x = 67,450,542,169.67/293,721.67 - Step 6: Final answer
x = 229,641.02
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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.