Finding the Fourth Proportional to 200,688.84, 276,948.32 and 115,804.08
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Solution
The fourth proportional to 200,688.84, 276,948.32 and 115,804.08 is: 159,808.31
Step by Step Solution
- Step 1: Write the proportion equation
200,688.84 : 276,948.32 = 115,804.08 : x - Step 2: Convert to fraction form
200,688.84/276,948.32 = 115,804.08/x - Step 3: Cross multiply
200,688.84x = 276,948.32 × 115,804.08 - Step 4: Simplify right side
200,688.84x = 32,071,744,826.13 - Step 5: Solve for x
x = 32,071,744,826.13/200,688.84 - Step 6: Final answer
x = 159,808.31
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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.