Finding the Fourth Proportional to 371,309.76, 512,407.68 and 201,543.84
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Solution
The fourth proportional to 371,309.76, 512,407.68 and 201,543.84 is: 278,130.61
Step by Step Solution
- Step 1: Write the proportion equation
371,309.76 : 512,407.68 = 201,543.84 : x - Step 2: Convert to fraction form
371,309.76/512,407.68 = 201,543.84/x - Step 3: Cross multiply
371,309.76x = 512,407.68 × 201,543.84 - Step 4: Simplify right side
371,309.76x = 103,272,611,472.69 - Step 5: Solve for x
x = 103,272,611,472.69/371,309.76 - Step 6: Final answer
x = 278,130.61
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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.