Finding the Fourth Proportional to 239,808.74, 330,935.74 and 132,378.52
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Solution
The fourth proportional to 239,808.74, 330,935.74 and 132,378.52 is: 182,682.17
Step by Step Solution
- Step 1: Write the proportion equation
239,808.74 : 330,935.74 = 132,378.52 : x - Step 2: Convert to fraction form
239,808.74/330,935.74 = 132,378.52/x - Step 3: Cross multiply
239,808.74x = 330,935.74 × 132,378.52 - Step 4: Simplify right side
239,808.74x = 43,808,781,728.54 - Step 5: Solve for x
x = 43,808,781,728.54/239,808.74 - Step 6: Final answer
x = 182,682.17
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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.