Finding the Fourth Proportional to 239,227.45, 330,130.01 and 130,333.09
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Solution
The fourth proportional to 239,227.45, 330,130.01 and 130,333.09 is: 179,857.55
Step by Step Solution
- Step 1: Write the proportion equation
239,227.45 : 330,130.01 = 130,333.09 : x - Step 2: Convert to fraction form
239,227.45/330,130.01 = 130,333.09/x - Step 3: Cross multiply
239,227.45x = 330,130.01 × 130,333.09 - Step 4: Simplify right side
239,227.45x = 43,026,864,424.53 - Step 5: Solve for x
x = 43,026,864,424.53/239,227.45 - Step 6: Final answer
x = 179,857.55
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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.