Finding the Fourth Proportional to 132,840.84, 199,263.99 and 53,901.07
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Solution
The fourth proportional to 132,840.84, 199,263.99 and 53,901.07 is: 80,852.71
Step by Step Solution
- Step 1: Write the proportion equation
132,840.84 : 199,263.99 = 53,901.07 : x - Step 2: Convert to fraction form
132,840.84/199,263.99 = 53,901.07/x - Step 3: Cross multiply
132,840.84x = 199,263.99 × 53,901.07 - Step 4: Simplify right side
132,840.84x = 10,740,542,273.47 - Step 5: Solve for x
x = 10,740,542,273.47/132,840.84 - Step 6: Final answer
x = 80,852.71
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.