Finding the Fourth Proportional to 202,530.68, 279,488.94 and 117,648.44
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Solution
The fourth proportional to 202,530.68, 279,488.94 and 117,648.44 is: 162,352.87
Step by Step Solution
- Step 1: Write the proportion equation
202,530.68 : 279,488.94 = 117,648.44 : x - Step 2: Convert to fraction form
202,530.68/279,488.94 = 117,648.44/x - Step 3: Cross multiply
202,530.68x = 279,488.94 × 117,648.44 - Step 4: Simplify right side
202,530.68x = 32,881,437,788.25 - Step 5: Solve for x
x = 32,881,437,788.25/202,530.68 - Step 6: Final answer
x = 162,352.87
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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.