Finding the Fourth Proportional to 239,666.41, 330,746.56 and 132,243.36
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Solution
The fourth proportional to 239,666.41, 330,746.56 and 132,243.36 is: 182,499.65
Step by Step Solution
- Step 1: Write the proportion equation
239,666.41 : 330,746.56 = 132,243.36 : x - Step 2: Convert to fraction form
239,666.41/330,746.56 = 132,243.36/x - Step 3: Cross multiply
239,666.41x = 330,746.56 × 132,243.36 - Step 4: Simplify right side
239,666.41x = 43,739,037,087.61 - Step 5: Solve for x
x = 43,739,037,087.61/239,666.41 - Step 6: Final answer
x = 182,499.65
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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.