Finding the Fourth Proportional to 372,344.80, 558,538.80 and 106,124.80
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Solution
The fourth proportional to 372,344.80, 558,538.80 and 106,124.80 is: 159,193.36
Step by Step Solution
- Step 1: Write the proportion equation
372,344.80 : 558,538.80 = 106,124.80 : x - Step 2: Convert to fraction form
372,344.80/558,538.80 = 106,124.80/x - Step 3: Cross multiply
372,344.80x = 558,538.80 × 106,124.80 - Step 4: Simplify right side
372,344.80x = 59,274,818,442.24 - Step 5: Solve for x
x = 59,274,818,442.24/372,344.80 - Step 6: Final answer
x = 159,193.36
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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.