Finding the Fourth Proportional to 383,148.84, 528,761.80 and 213,382.96
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Solution
The fourth proportional to 383,148.84, 528,761.80 and 213,382.96 is: 294,477.62
Step by Step Solution
- Step 1: Write the proportion equation
383,148.84 : 528,761.80 = 213,382.96 : x - Step 2: Convert to fraction form
383,148.84/528,761.80 = 213,382.96/x - Step 3: Cross multiply
383,148.84x = 528,761.80 × 213,382.96 - Step 4: Simplify right side
383,148.84x = 112,828,758,018.93 - Step 5: Solve for x
x = 112,828,758,018.93/383,148.84 - Step 6: Final answer
x = 294,477.62
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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.