Finding the Fourth Proportional to 316,510.84, 436,790.37 and 195,649.02
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Solution
The fourth proportional to 316,510.84, 436,790.37 and 195,649.02 is: 269,998.99
Step by Step Solution
- Step 1: Write the proportion equation
316,510.84 : 436,790.37 = 195,649.02 : x - Step 2: Convert to fraction form
316,510.84/436,790.37 = 195,649.02/x - Step 3: Cross multiply
316,510.84x = 436,790.37 × 195,649.02 - Step 4: Simplify right side
316,510.84x = 85,457,608,569.62 - Step 5: Solve for x
x = 85,457,608,569.62/316,510.84 - Step 6: Final answer
x = 269,998.99
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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.