Finding the Fourth Proportional to 137,384.79, 207,170.30 and 135,511.26
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Solution
The fourth proportional to 137,384.79, 207,170.30 and 135,511.26 is: 204,345.09
Step by Step Solution
- Step 1: Write the proportion equation
137,384.79 : 207,170.30 = 135,511.26 : x - Step 2: Convert to fraction form
137,384.79/207,170.30 = 135,511.26/x - Step 3: Cross multiply
137,384.79x = 207,170.30 × 135,511.26 - Step 4: Simplify right side
137,384.79x = 28,073,907,710.02 - Step 5: Solve for x
x = 28,073,907,710.02/137,384.79 - Step 6: Final answer
x = 204,345.09
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.