Finding the Fourth Proportional to 239,940.93, 360,132.80 and 121,695.31
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Solution
The fourth proportional to 239,940.93, 360,132.80 and 121,695.31 is: 182,655.26
Step by Step Solution
- Step 1: Write the proportion equation
239,940.93 : 360,132.80 = 121,695.31 : x - Step 2: Convert to fraction form
239,940.93/360,132.80 = 121,695.31/x - Step 3: Cross multiply
239,940.93x = 360,132.80 × 121,695.31 - Step 4: Simplify right side
239,940.93x = 43,826,472,737.17 - Step 5: Solve for x
x = 43,826,472,737.17/239,940.93 - Step 6: Final answer
x = 182,655.26
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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.