Finding the Fourth Proportional to 226,420.14, 312,463.02 and 124,455.02
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Solution
The fourth proportional to 226,420.14, 312,463.02 and 124,455.02 is: 171,749.70
Step by Step Solution
- Step 1: Write the proportion equation
226,420.14 : 312,463.02 = 124,455.02 : x - Step 2: Convert to fraction form
226,420.14/312,463.02 = 124,455.02/x - Step 3: Cross multiply
226,420.14x = 312,463.02 × 124,455.02 - Step 4: Simplify right side
226,420.14x = 38,887,591,403.36 - Step 5: Solve for x
x = 38,887,591,403.36/226,420.14 - Step 6: Final answer
x = 171,749.70
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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.