Finding the Fourth Proportional to 372,381.34, 558,128.12 and 259,450.06
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Solution
The fourth proportional to 372,381.34, 558,128.12 and 259,450.06 is: 388,865.82
Step by Step Solution
- Step 1: Write the proportion equation
372,381.34 : 558,128.12 = 259,450.06 : x - Step 2: Convert to fraction form
372,381.34/558,128.12 = 259,450.06/x - Step 3: Cross multiply
372,381.34x = 558,128.12 × 259,450.06 - Step 4: Simplify right side
372,381.34x = 144,806,374,221.69 - Step 5: Solve for x
x = 144,806,374,221.69/372,381.34 - Step 6: Final answer
x = 388,865.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.