Finding the Fourth Proportional to 216,420.29, 324,630.36 and 58,648.75
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Solution
The fourth proportional to 216,420.29, 324,630.36 and 58,648.75 is: 87,973.10
Step by Step Solution
- Step 1: Write the proportion equation
216,420.29 : 324,630.36 = 58,648.75 : x - Step 2: Convert to fraction form
216,420.29/324,630.36 = 58,648.75/x - Step 3: Cross multiply
216,420.29x = 324,630.36 × 58,648.75 - Step 4: Simplify right side
216,420.29x = 19,039,164,826.05 - Step 5: Solve for x
x = 19,039,164,826.05/216,420.29 - Step 6: Final answer
x = 87,973.10
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.