Finding the Fourth Proportional to 247,962.88, 342,163.20 and 147,341.44
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Solution
The fourth proportional to 247,962.88, 342,163.20 and 147,341.44 is: 203,315.99
Step by Step Solution
- Step 1: Write the proportion equation
247,962.88 : 342,163.20 = 147,341.44 : x - Step 2: Convert to fraction form
247,962.88/342,163.20 = 147,341.44/x - Step 3: Cross multiply
247,962.88x = 342,163.20 × 147,341.44 - Step 4: Simplify right side
247,962.88x = 50,414,818,603.01 - Step 5: Solve for x
x = 50,414,818,603.01/247,962.88 - Step 6: Final answer
x = 203,315.99
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1.5x scale
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.