Finding the Fourth Proportional to 252,359.84, 348,256.68 and 139,189.88
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Solution
The fourth proportional to 252,359.84, 348,256.68 and 139,189.88 is: 192,082.09
Step by Step Solution
- Step 1: Write the proportion equation
252,359.84 : 348,256.68 = 139,189.88 : x - Step 2: Convert to fraction form
252,359.84/348,256.68 = 139,189.88/x - Step 3: Cross multiply
252,359.84x = 348,256.68 × 139,189.88 - Step 4: Simplify right side
252,359.84x = 48,473,805,498.40 - Step 5: Solve for x
x = 48,473,805,498.40/252,359.84 - Step 6: Final answer
x = 192,082.09
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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.