Finding the Fourth Proportional to 647,203.36, 970,945.18 and 247,844.15
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Solution
The fourth proportional to 647,203.36, 970,945.18 and 247,844.15 is: 371,819.89
Step by Step Solution
- Step 1: Write the proportion equation
647,203.36 : 970,945.18 = 247,844.15 : x - Step 2: Convert to fraction form
647,203.36/970,945.18 = 247,844.15/x - Step 3: Cross multiply
647,203.36x = 970,945.18 × 247,844.15 - Step 4: Simplify right side
647,203.36x = 240,643,081,594.48 - Step 5: Solve for x
x = 240,643,081,594.48/647,203.36 - Step 6: Final answer
x = 371,819.89
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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.