Finding the Fourth Proportional to 319,611.78, 479,293.07 and 119,823.26
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Solution
The fourth proportional to 319,611.78, 479,293.07 and 119,823.26 is: 179,688.17
Step by Step Solution
- Step 1: Write the proportion equation
319,611.78 : 479,293.07 = 119,823.26 : x - Step 2: Convert to fraction form
319,611.78/479,293.07 = 119,823.26/x - Step 3: Cross multiply
319,611.78x = 479,293.07 × 119,823.26 - Step 4: Simplify right side
319,611.78x = 57,430,455,147.23 - Step 5: Solve for x
x = 57,430,455,147.23/319,611.78 - Step 6: Final answer
x = 179,688.17
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.