Finding the Fourth Proportional to 113,927.09, 157,216.61 and 62,944.70
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Solution
The fourth proportional to 113,927.09, 157,216.61 and 62,944.70 is: 86,862.15
Step by Step Solution
- Step 1: Write the proportion equation
113,927.09 : 157,216.61 = 62,944.70 : x - Step 2: Convert to fraction form
113,927.09/157,216.61 = 62,944.70/x - Step 3: Cross multiply
113,927.09x = 157,216.61 × 62,944.70 - Step 4: Simplify right side
113,927.09x = 9,895,951,722.75 - Step 5: Solve for x
x = 9,895,951,722.75/113,927.09 - Step 6: Final answer
x = 86,862.15
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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.