Finding the Fourth Proportional to 395,640.10, 545,983.64 and 232,264.63
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Solution
The fourth proportional to 395,640.10, 545,983.64 and 232,264.63 is: 320,525.37
Step by Step Solution
- Step 1: Write the proportion equation
395,640.10 : 545,983.64 = 232,264.63 : x - Step 2: Convert to fraction form
395,640.10/545,983.64 = 232,264.63/x - Step 3: Cross multiply
395,640.10x = 545,983.64 × 232,264.63 - Step 4: Simplify right side
395,640.10x = 126,812,688,130.65 - Step 5: Solve for x
x = 126,812,688,130.65/395,640.10 - Step 6: Final answer
x = 320,525.37
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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.