Finding the Fourth Proportional to 299,129.55, 448,781.80 and 88,772.95
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Solution
The fourth proportional to 299,129.55, 448,781.80 and 88,772.95 is: 133,185.39
Step by Step Solution
- Step 1: Write the proportion equation
299,129.55 : 448,781.80 = 88,772.95 : x - Step 2: Convert to fraction form
299,129.55/448,781.80 = 88,772.95/x - Step 3: Cross multiply
299,129.55x = 448,781.80 × 88,772.95 - Step 4: Simplify right side
299,129.55x = 39,839,684,292.31 - Step 5: Solve for x
x = 39,839,684,292.31/299,129.55 - Step 6: Final answer
x = 133,185.39
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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.