Finding the Fourth Proportional to 299,129.67, 448,781.99 and 88,773.08
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Solution
The fourth proportional to 299,129.67, 448,781.99 and 88,773.08 is: 133,185.57
Step by Step Solution
- Step 1: Write the proportion equation
299,129.67 : 448,781.99 = 88,773.08 : x - Step 2: Convert to fraction form
299,129.67/448,781.99 = 88,773.08/x - Step 3: Cross multiply
299,129.67x = 448,781.99 × 88,773.08 - Step 4: Simplify right side
299,129.67x = 39,839,756,813.05 - Step 5: Solve for x
x = 39,839,756,813.05/299,129.67 - Step 6: Final answer
x = 133,185.57
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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.