Finding the Fourth Proportional to 150,618.16, 208,069.36 and 120,363.84
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Solution
The fourth proportional to 150,618.16, 208,069.36 and 120,363.84 is: 166,274.95
Step by Step Solution
- Step 1: Write the proportion equation
150,618.16 : 208,069.36 = 120,363.84 : x - Step 2: Convert to fraction form
150,618.16/208,069.36 = 120,363.84/x - Step 3: Cross multiply
150,618.16x = 208,069.36 × 120,363.84 - Step 4: Simplify right side
150,618.16x = 25,044,027,155.94 - Step 5: Solve for x
x = 25,044,027,155.94/150,618.16 - Step 6: Final answer
x = 166,274.95
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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.