Finding the Fourth Proportional to 232,700.12, 321,117.74 and 142,207.48
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Solution
The fourth proportional to 232,700.12, 321,117.74 and 142,207.48 is: 196,241.17
Step by Step Solution
- Step 1: Write the proportion equation
232,700.12 : 321,117.74 = 142,207.48 : x - Step 2: Convert to fraction form
232,700.12/321,117.74 = 142,207.48/x - Step 3: Cross multiply
232,700.12x = 321,117.74 × 142,207.48 - Step 4: Simplify right side
232,700.12x = 45,665,344,588.70 - Step 5: Solve for x
x = 45,665,344,588.70/232,700.12 - Step 6: Final answer
x = 196,241.17
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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.