Finding the Fourth Proportional to 324,577.36, 447,381.48 and 217,108.72
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Solution
The fourth proportional to 324,577.36, 447,381.48 and 217,108.72 is: 299,251.99
Step by Step Solution
- Step 1: Write the proportion equation
324,577.36 : 447,381.48 = 217,108.72 : x - Step 2: Convert to fraction form
324,577.36/447,381.48 = 217,108.72/x - Step 3: Cross multiply
324,577.36x = 447,381.48 × 217,108.72 - Step 4: Simplify right side
324,577.36x = 97,130,420,474.51 - Step 5: Solve for x
x = 97,130,420,474.51/324,577.36 - Step 6: Final answer
x = 299,251.99
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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.