Finding the Fourth Proportional to 748,137.12, 1,122,363.51 and 242,658.84
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Solution
The fourth proportional to 748,137.12, 1,122,363.51 and 242,658.84 is: 364,039.45
Step by Step Solution
- Step 1: Write the proportion equation
748,137.12 : 1,122,363.51 = 242,658.84 : x - Step 2: Convert to fraction form
748,137.12/1,122,363.51 = 242,658.84/x - Step 3: Cross multiply
748,137.12x = 1,122,363.51 × 242,658.84 - Step 4: Simplify right side
748,137.12x = 272,351,427,394.93 - Step 5: Solve for x
x = 272,351,427,394.93/748,137.12 - Step 6: Final answer
x = 364,039.45
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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.