Finding the Fourth Proportional to 239,495.49, 330,496.20 and 132,070.05
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Solution
The fourth proportional to 239,495.49, 330,496.20 and 132,070.05 is: 182,252.49
Step by Step Solution
- Step 1: Write the proportion equation
239,495.49 : 330,496.20 = 132,070.05 : x - Step 2: Convert to fraction form
239,495.49/330,496.20 = 132,070.05/x - Step 3: Cross multiply
239,495.49x = 330,496.20 × 132,070.05 - Step 4: Simplify right side
239,495.49x = 43,648,649,658.81 - Step 5: Solve for x
x = 43,648,649,658.81/239,495.49 - Step 6: Final answer
x = 182,252.49
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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.