Finding the Fourth Proportional to 415,896.41, 574,084.11 and 246,130.13
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Solution
The fourth proportional to 415,896.41, 574,084.11 and 246,130.13 is: 339,746.61
Step by Step Solution
- Step 1: Write the proportion equation
415,896.41 : 574,084.11 = 246,130.13 : x - Step 2: Convert to fraction form
415,896.41/574,084.11 = 246,130.13/x - Step 3: Cross multiply
415,896.41x = 574,084.11 × 246,130.13 - Step 4: Simplify right side
415,896.41x = 141,299,393,754.81 - Step 5: Solve for x
x = 141,299,393,754.81/415,896.41 - Step 6: Final answer
x = 339,746.61
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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.