Finding the Fourth Proportional to 163,944.78, 245,950.74 and 69,174.99
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Solution
The fourth proportional to 163,944.78, 245,950.74 and 69,174.99 is: 103,776.65
Step by Step Solution
- Step 1: Write the proportion equation
163,944.78 : 245,950.74 = 69,174.99 : x - Step 2: Convert to fraction form
163,944.78/245,950.74 = 69,174.99/x - Step 3: Cross multiply
163,944.78x = 245,950.74 × 69,174.99 - Step 4: Simplify right side
163,944.78x = 17,013,639,979.99 - Step 5: Solve for x
x = 17,013,639,979.99/163,944.78 - Step 6: Final answer
x = 103,776.65
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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.