Finding the Fourth Proportional to 201,689.19, 302,508.98 and 51,930.32
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Solution
The fourth proportional to 201,689.19, 302,508.98 and 51,930.32 is: 77,889.09
Step by Step Solution
- Step 1: Write the proportion equation
201,689.19 : 302,508.98 = 51,930.32 : x - Step 2: Convert to fraction form
201,689.19/302,508.98 = 51,930.32/x - Step 3: Cross multiply
201,689.19x = 302,508.98 × 51,930.32 - Step 4: Simplify right side
201,689.19x = 15,709,386,556.82 - Step 5: Solve for x
x = 15,709,386,556.82/201,689.19 - Step 6: Final answer
x = 77,889.09
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.