Finding the Fourth Proportional to 234,921.36, 324,347.58 and 139,458.72
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Solution
The fourth proportional to 234,921.36, 324,347.58 and 139,458.72 is: 192,545.70
Step by Step Solution
- Step 1: Write the proportion equation
234,921.36 : 324,347.58 = 139,458.72 : x - Step 2: Convert to fraction form
234,921.36/324,347.58 = 139,458.72/x - Step 3: Cross multiply
234,921.36x = 324,347.58 × 139,458.72 - Step 4: Simplify right side
234,921.36x = 45,233,098,341.90 - Step 5: Solve for x
x = 45,233,098,341.90/234,921.36 - Step 6: Final answer
x = 192,545.70
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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.