Finding the Fourth Proportional to 239,369.84, 330,315.36 and 131,933.96
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Solution
The fourth proportional to 239,369.84, 330,315.36 and 131,933.96 is: 182,060.59
Step by Step Solution
- Step 1: Write the proportion equation
239,369.84 : 330,315.36 = 131,933.96 : x - Step 2: Convert to fraction form
239,369.84/330,315.36 = 131,933.96/x - Step 3: Cross multiply
239,369.84x = 330,315.36 × 131,933.96 - Step 4: Simplify right side
239,369.84x = 43,579,813,493.63 - Step 5: Solve for x
x = 43,579,813,493.63/239,369.84 - Step 6: Final answer
x = 182,060.59
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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.