Finding the Fourth Proportional to 409,221.84, 564,754.53 and 248,083.68
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Solution
The fourth proportional to 409,221.84, 564,754.53 and 248,083.68 is: 342,372.69
Step by Step Solution
- Step 1: Write the proportion equation
409,221.84 : 564,754.53 = 248,083.68 : x - Step 2: Convert to fraction form
409,221.84/564,754.53 = 248,083.68/x - Step 3: Cross multiply
409,221.84x = 564,754.53 × 248,083.68 - Step 4: Simplify right side
409,221.84x = 140,106,382,099.07 - Step 5: Solve for x
x = 140,106,382,099.07/409,221.84 - Step 6: Final answer
x = 342,372.69
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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.