Finding the Fourth Proportional to 403,286.45, 604,929.68 and 122,803.70
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Solution
The fourth proportional to 403,286.45, 604,929.68 and 122,803.70 is: 184,205.54
Step by Step Solution
- Step 1: Write the proportion equation
403,286.45 : 604,929.68 = 122,803.70 : x - Step 2: Convert to fraction form
403,286.45/604,929.68 = 122,803.70/x - Step 3: Cross multiply
403,286.45x = 604,929.68 × 122,803.70 - Step 4: Simplify right side
403,286.45x = 74,287,599,305.15 - Step 5: Solve for x
x = 74,287,599,305.15/403,286.45 - Step 6: Final answer
x = 184,205.54
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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.