Finding the Fourth Proportional to 175,860.28, 242,723.82 and 161,690.68
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Solution
The fourth proportional to 175,860.28, 242,723.82 and 161,690.68 is: 223,166.82
Step by Step Solution
- Step 1: Write the proportion equation
175,860.28 : 242,723.82 = 161,690.68 : x - Step 2: Convert to fraction form
175,860.28/242,723.82 = 161,690.68/x - Step 3: Cross multiply
175,860.28x = 242,723.82 × 161,690.68 - Step 4: Simplify right side
175,860.28x = 39,246,179,508.00 - Step 5: Solve for x
x = 39,246,179,508.00/175,860.28 - Step 6: Final answer
x = 223,166.82
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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.