Finding the Fourth Proportional to 812,671.36, 1,218,771.66 and 244,029.49
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Solution
The fourth proportional to 812,671.36, 1,218,771.66 and 244,029.49 is: 365,973.55
Step by Step Solution
- Step 1: Write the proportion equation
812,671.36 : 1,218,771.66 = 244,029.49 : x - Step 2: Convert to fraction form
812,671.36/1,218,771.66 = 244,029.49/x - Step 3: Cross multiply
812,671.36x = 1,218,771.66 × 244,029.49 - Step 4: Simplify right side
812,671.36x = 297,416,226,616.25 - Step 5: Solve for x
x = 297,416,226,616.25/812,671.36 - Step 6: Final answer
x = 365,973.55
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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.