Finding the Fourth Proportional to 252,519.12, 348,484.68 and 139,352.40
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Solution
The fourth proportional to 252,519.12, 348,484.68 and 139,352.40 is: 192,310.89
Step by Step Solution
- Step 1: Write the proportion equation
252,519.12 : 348,484.68 = 139,352.40 : x - Step 2: Convert to fraction form
252,519.12/348,484.68 = 139,352.40/x - Step 3: Cross multiply
252,519.12x = 348,484.68 × 139,352.40 - Step 4: Simplify right side
252,519.12x = 48,562,176,521.23 - Step 5: Solve for x
x = 48,562,176,521.23/252,519.12 - Step 6: Final answer
x = 192,310.89
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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.