Finding the Fourth Proportional to 382,447.08, 573,931.98 and 133,129.08
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Solution
The fourth proportional to 382,447.08, 573,931.98 and 133,129.08 is: 199,784.60
Step by Step Solution
- Step 1: Write the proportion equation
382,447.08 : 573,931.98 = 133,129.08 : x - Step 2: Convert to fraction form
382,447.08/573,931.98 = 133,129.08/x - Step 3: Cross multiply
382,447.08x = 573,931.98 × 133,129.08 - Step 4: Simplify right side
382,447.08x = 76,407,036,479.98 - Step 5: Solve for x
x = 76,407,036,479.98/382,447.08 - Step 6: Final answer
x = 199,784.60
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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.