Finding the Fourth Proportional to 293,703.13, 405,326.34 and 166,403.53
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Solution
The fourth proportional to 293,703.13, 405,326.34 and 166,403.53 is: 229,645.95
Step by Step Solution
- Step 1: Write the proportion equation
293,703.13 : 405,326.34 = 166,403.53 : x - Step 2: Convert to fraction form
293,703.13/405,326.34 = 166,403.53/x - Step 3: Cross multiply
293,703.13x = 405,326.34 × 166,403.53 - Step 4: Simplify right side
293,703.13x = 67,447,733,777.98 - Step 5: Solve for x
x = 67,447,733,777.98/293,703.13 - Step 6: Final answer
x = 229,645.95
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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.