Finding the Fourth Proportional to 301,230.76, 415,652.16 and 173,881.75
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Solution
The fourth proportional to 301,230.76, 415,652.16 and 173,881.75 is: 239,930.10
Step by Step Solution
- Step 1: Write the proportion equation
301,230.76 : 415,652.16 = 173,881.75 : x - Step 2: Convert to fraction form
301,230.76/415,652.16 = 173,881.75/x - Step 3: Cross multiply
301,230.76x = 415,652.16 × 173,881.75 - Step 4: Simplify right side
301,230.76x = 72,274,324,972.08 - Step 5: Solve for x
x = 72,274,324,972.08/301,230.76 - Step 6: Final answer
x = 239,930.10
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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.