Finding the Fourth Proportional to 252,499.36, 348,434.40 and 139,321.84
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Solution
The fourth proportional to 252,499.36, 348,434.40 and 139,321.84 is: 192,256.02
Step by Step Solution
- Step 1: Write the proportion equation
252,499.36 : 348,434.40 = 139,321.84 : x - Step 2: Convert to fraction form
252,499.36/348,434.40 = 139,321.84/x - Step 3: Cross multiply
252,499.36x = 348,434.40 × 139,321.84 - Step 4: Simplify right side
252,499.36x = 48,544,521,727.30 - Step 5: Solve for x
x = 48,544,521,727.30/252,499.36 - Step 6: Final answer
x = 192,256.02
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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.