Finding the Fourth Proportional to 203,039.68, 280,223.40 and 118,184.08
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Solution
The fourth proportional to 203,039.68, 280,223.40 and 118,184.08 is: 163,110.70
Step by Step Solution
- Step 1: Write the proportion equation
203,039.68 : 280,223.40 = 118,184.08 : x - Step 2: Convert to fraction form
203,039.68/280,223.40 = 118,184.08/x - Step 3: Cross multiply
203,039.68x = 280,223.40 × 118,184.08 - Step 4: Simplify right side
203,039.68x = 33,117,944,723.47 - Step 5: Solve for x
x = 33,117,944,723.47/203,039.68 - Step 6: Final answer
x = 163,110.70
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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.