Finding the Fourth Proportional to 239,367.84, 330,312.60 and 131,931.96
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Solution
The fourth proportional to 239,367.84, 330,312.60 and 131,931.96 is: 182,057.83
Step by Step Solution
- Step 1: Write the proportion equation
239,367.84 : 330,312.60 = 131,931.96 : x - Step 2: Convert to fraction form
239,367.84/330,312.60 = 131,931.96/x - Step 3: Cross multiply
239,367.84x = 330,312.60 × 131,931.96 - Step 4: Simplify right side
239,367.84x = 43,578,788,730.70 - Step 5: Solve for x
x = 43,578,788,730.70/239,367.84 - Step 6: Final answer
x = 182,057.83
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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.