Finding the Fourth Proportional to 147,382.56, 203,357.52 and 86,950.08
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Solution
The fourth proportional to 147,382.56, 203,357.52 and 86,950.08 is: 119,973.17
Step by Step Solution
- Step 1: Write the proportion equation
147,382.56 : 203,357.52 = 86,950.08 : x - Step 2: Convert to fraction form
147,382.56/203,357.52 = 86,950.08/x - Step 3: Cross multiply
147,382.56x = 203,357.52 × 86,950.08 - Step 4: Simplify right side
147,382.56x = 17,681,952,632.60 - Step 5: Solve for x
x = 17,681,952,632.60/147,382.56 - Step 6: Final answer
x = 119,973.17
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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.