Finding the Fourth Proportional to 252,353.80, 348,238.58 and 139,176.56
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Solution
The fourth proportional to 252,353.80, 348,238.58 and 139,176.56 is: 192,058.32
Step by Step Solution
- Step 1: Write the proportion equation
252,353.80 : 348,238.58 = 139,176.56 : x - Step 2: Convert to fraction form
252,353.80/348,238.58 = 139,176.56/x - Step 3: Cross multiply
252,353.80x = 348,238.58 × 139,176.56 - Step 4: Simplify right side
252,353.80x = 48,466,647,623.68 - Step 5: Solve for x
x = 48,466,647,623.68/252,353.80 - Step 6: Final answer
x = 192,058.32
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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.