Finding the Fourth Proportional to 318,365.46, 477,511.74 and 118,692.36
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Solution
The fourth proportional to 318,365.46, 477,511.74 and 118,692.36 is: 178,024.95
Step by Step Solution
- Step 1: Write the proportion equation
318,365.46 : 477,511.74 = 118,692.36 : x - Step 2: Convert to fraction form
318,365.46/477,511.74 = 118,692.36/x - Step 3: Cross multiply
318,365.46x = 477,511.74 × 118,692.36 - Step 4: Simplify right side
318,365.46x = 56,676,995,348.31 - Step 5: Solve for x
x = 56,676,995,348.31/318,365.46 - Step 6: Final answer
x = 178,024.95
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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.