Finding the Fourth Proportional to 139,634.08, 208,502.52 and 135,850.48
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Solution
The fourth proportional to 139,634.08, 208,502.52 and 135,850.48 is: 202,852.82
Step by Step Solution
- Step 1: Write the proportion equation
139,634.08 : 208,502.52 = 135,850.48 : x - Step 2: Convert to fraction form
139,634.08/208,502.52 = 135,850.48/x - Step 3: Cross multiply
139,634.08x = 208,502.52 × 135,850.48 - Step 4: Simplify right side
139,634.08x = 28,325,167,423.21 - Step 5: Solve for x
x = 28,325,167,423.21/139,634.08 - Step 6: Final answer
x = 202,852.82
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.