Finding the Fourth Proportional to 239,312.08, 330,252.84 and 131,885.94
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Solution
The fourth proportional to 239,312.08, 330,252.84 and 131,885.94 is: 182,003.79
Step by Step Solution
- Step 1: Write the proportion equation
239,312.08 : 330,252.84 = 131,885.94 : x - Step 2: Convert to fraction form
239,312.08/330,252.84 = 131,885.94/x - Step 3: Cross multiply
239,312.08x = 330,252.84 × 131,885.94 - Step 4: Simplify right side
239,312.08x = 43,555,706,241.07 - Step 5: Solve for x
x = 43,555,706,241.07/239,312.08 - Step 6: Final answer
x = 182,003.79
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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.