Finding the Fourth Proportional to 547,653.84, 755,735.31 and 305,888.28
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Solution
The fourth proportional to 547,653.84, 755,735.31 and 305,888.28 is: 422,110.75
Step by Step Solution
- Step 1: Write the proportion equation
547,653.84 : 755,735.31 = 305,888.28 : x - Step 2: Convert to fraction form
547,653.84/755,735.31 = 305,888.28/x - Step 3: Cross multiply
547,653.84x = 755,735.31 × 305,888.28 - Step 4: Simplify right side
547,653.84x = 231,170,574,111.17 - Step 5: Solve for x
x = 231,170,574,111.17/547,653.84 - Step 6: Final answer
x = 422,110.75
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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.