Finding the Fourth Proportional to 381,130.36, 525,946.67 and 211,380.28
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Solution
The fourth proportional to 381,130.36, 525,946.67 and 211,380.28 is: 291,697.45
Step by Step Solution
- Step 1: Write the proportion equation
381,130.36 : 525,946.67 = 211,380.28 : x - Step 2: Convert to fraction form
381,130.36/525,946.67 = 211,380.28/x - Step 3: Cross multiply
381,130.36x = 525,946.67 × 211,380.28 - Step 4: Simplify right side
381,130.36x = 111,174,752,790.58 - Step 5: Solve for x
x = 111,174,752,790.58/381,130.36 - Step 6: Final answer
x = 291,697.45
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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.