Finding the Fourth Proportional to 239,376.06, 330,337.32 and 131,946.18
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Solution
The fourth proportional to 239,376.06, 330,337.32 and 131,946.18 is: 182,084.82
Step by Step Solution
- Step 1: Write the proportion equation
239,376.06 : 330,337.32 = 131,946.18 : x - Step 2: Convert to fraction form
239,376.06/330,337.32 = 131,946.18/x - Step 3: Cross multiply
239,376.06x = 330,337.32 × 131,946.18 - Step 4: Simplify right side
239,376.06x = 43,586,747,485.44 - Step 5: Solve for x
x = 43,586,747,485.44/239,376.06 - Step 6: Final answer
x = 182,084.82
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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.