Finding the Fourth Proportional to 113,944.70, 157,246.86 and 62,960.70
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Solution
The fourth proportional to 113,944.70, 157,246.86 and 62,960.70 is: 86,887.52
Step by Step Solution
- Step 1: Write the proportion equation
113,944.70 : 157,246.86 = 62,960.70 : x - Step 2: Convert to fraction form
113,944.70/157,246.86 = 62,960.70/x - Step 3: Cross multiply
113,944.70x = 157,246.86 × 62,960.70 - Step 4: Simplify right side
113,944.70x = 9,900,372,378.40 - Step 5: Solve for x
x = 9,900,372,378.40/113,944.70 - Step 6: Final answer
x = 86,887.52
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1.5x scale
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.