Finding the Fourth Proportional to 252,202.48, 348,041.76 and 139,029.28
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Solution
The fourth proportional to 252,202.48, 348,041.76 and 139,029.28 is: 191,861.70
Step by Step Solution
- Step 1: Write the proportion equation
252,202.48 : 348,041.76 = 139,029.28 : x - Step 2: Convert to fraction form
252,202.48/348,041.76 = 139,029.28/x - Step 3: Cross multiply
252,202.48x = 348,041.76 × 139,029.28 - Step 4: Simplify right side
252,202.48x = 48,387,995,302.73 - Step 5: Solve for x
x = 48,387,995,302.73/252,202.48 - Step 6: Final answer
x = 191,861.70
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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.