Finding the Fourth Proportional to 175,386.18, 262,997.47 and 91,123.68
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Solution
The fourth proportional to 175,386.18, 262,997.47 and 91,123.68 is: 136,643.02
Step by Step Solution
- Step 1: Write the proportion equation
175,386.18 : 262,997.47 = 91,123.68 : x - Step 2: Convert to fraction form
175,386.18/262,997.47 = 91,123.68/x - Step 3: Cross multiply
175,386.18x = 262,997.47 × 91,123.68 - Step 4: Simplify right side
175,386.18x = 23,965,297,297.09 - Step 5: Solve for x
x = 23,965,297,297.09/175,386.18 - Step 6: Final answer
x = 136,643.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.