Finding the Fourth Proportional to 239,260.23, 330,179.76 and 131,829.93
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Solution
The fourth proportional to 239,260.23, 330,179.76 and 131,829.93 is: 181,925.66
Step by Step Solution
- Step 1: Write the proportion equation
239,260.23 : 330,179.76 = 131,829.93 : x - Step 2: Convert to fraction form
239,260.23/330,179.76 = 131,829.93/x - Step 3: Cross multiply
239,260.23x = 330,179.76 × 131,829.93 - Step 4: Simplify right side
239,260.23x = 43,527,574,648.22 - Step 5: Solve for x
x = 43,527,574,648.22/239,260.23 - Step 6: Final answer
x = 181,925.66
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1.5x scale
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.