Finding the Fourth Proportional to 299,129.30, 448,781.42 and 88,772.70
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Solution
The fourth proportional to 299,129.30, 448,781.42 and 88,772.70 is: 133,185.01
Step by Step Solution
- Step 1: Write the proportion equation
299,129.30 : 448,781.42 = 88,772.70 : x - Step 2: Convert to fraction form
299,129.30/448,781.42 = 88,772.70/x - Step 3: Cross multiply
299,129.30x = 448,781.42 × 88,772.70 - Step 4: Simplify right side
299,129.30x = 39,839,538,585.17 - Step 5: Solve for x
x = 39,839,538,585.17/299,129.30 - Step 6: Final answer
x = 133,185.01
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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.