Finding the Fourth Proportional to 474,538.85, 654,863.67 and 259,678.96
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Solution
The fourth proportional to 474,538.85, 654,863.67 and 259,678.96 is: 358,356.99
Step by Step Solution
- Step 1: Write the proportion equation
474,538.85 : 654,863.67 = 259,678.96 : x - Step 2: Convert to fraction form
474,538.85/654,863.67 = 259,678.96/x - Step 3: Cross multiply
474,538.85x = 654,863.67 × 259,678.96 - Step 4: Simplify right side
474,538.85x = 170,054,312,194.67 - Step 5: Solve for x
x = 170,054,312,194.67/474,538.85 - Step 6: Final answer
x = 358,356.99
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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.