Finding the Fourth Proportional to 463,558.84, 639,680.74 and 259,562.99
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Solution
The fourth proportional to 463,558.84, 639,680.74 and 259,562.99 is: 358,179.87
Step by Step Solution
- Step 1: Write the proportion equation
463,558.84 : 639,680.74 = 259,562.99 : x - Step 2: Convert to fraction form
463,558.84/639,680.74 = 259,562.99/x - Step 3: Cross multiply
463,558.84x = 639,680.74 × 259,562.99 - Step 4: Simplify right side
463,558.84x = 166,037,444,222.00 - Step 5: Solve for x
x = 166,037,444,222.00/463,558.84 - Step 6: Final answer
x = 358,179.87
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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.