Finding the Fourth Proportional to 289,678.08, 432,535.44 and 259,497.48
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Solution
The fourth proportional to 289,678.08, 432,535.44 and 259,497.48 is: 387,471.00
Step by Step Solution
- Step 1: Write the proportion equation
289,678.08 : 432,535.44 = 259,497.48 : x - Step 2: Convert to fraction form
289,678.08/432,535.44 = 259,497.48/x - Step 3: Cross multiply
289,678.08x = 432,535.44 × 259,497.48 - Step 4: Simplify right side
289,678.08x = 112,241,856,690.69 - Step 5: Solve for x
x = 112,241,856,690.69/289,678.08 - Step 6: Final answer
x = 387,471.00
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.