Finding the Fourth Proportional to 199,587.84, 275,431.17 and 136,036.63
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Solution
The fourth proportional to 199,587.84, 275,431.17 and 136,036.63 is: 187,730.52
Step by Step Solution
- Step 1: Write the proportion equation
199,587.84 : 275,431.17 = 136,036.63 : x - Step 2: Convert to fraction form
199,587.84/275,431.17 = 136,036.63/x - Step 3: Cross multiply
199,587.84x = 275,431.17 × 136,036.63 - Step 4: Simplify right side
199,587.84x = 37,468,728,163.76 - Step 5: Solve for x
x = 37,468,728,163.76/199,587.84 - Step 6: Final answer
x = 187,730.52
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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.