Finding the Fourth Proportional to 324,726.79, 448,136.80 and 181,486.83
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Solution
The fourth proportional to 324,726.79, 448,136.80 and 181,486.83 is: 250,459.56
Step by Step Solution
- Step 1: Write the proportion equation
324,726.79 : 448,136.80 = 181,486.83 : x - Step 2: Convert to fraction form
324,726.79/448,136.80 = 181,486.83/x - Step 3: Cross multiply
324,726.79x = 448,136.80 × 181,486.83 - Step 4: Simplify right side
324,726.79x = 81,330,926,965.23 - Step 5: Solve for x
x = 81,330,926,965.23/324,726.79 - Step 6: Final answer
x = 250,459.56
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1.5x scale
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.