Finding the Fourth Proportional to 157,993.62, 218,034.63 and 94,319.52
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Solution
The fourth proportional to 157,993.62, 218,034.63 and 94,319.52 is: 130,162.99
Step by Step Solution
- Step 1: Write the proportion equation
157,993.62 : 218,034.63 = 94,319.52 : x - Step 2: Convert to fraction form
157,993.62/218,034.63 = 94,319.52/x - Step 3: Cross multiply
157,993.62x = 218,034.63 × 94,319.52 - Step 4: Simplify right side
157,993.62x = 20,564,921,644.98 - Step 5: Solve for x
x = 20,564,921,644.98/157,993.62 - Step 6: Final answer
x = 130,162.99
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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.