Finding the Fourth Proportional to 371,895.44, 513,219.72 and 202,129.60
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Solution
The fourth proportional to 371,895.44, 513,219.72 and 202,129.60 is: 278,941.03
Step by Step Solution
- Step 1: Write the proportion equation
371,895.44 : 513,219.72 = 202,129.60 : x - Step 2: Convert to fraction form
371,895.44/513,219.72 = 202,129.60/x - Step 3: Cross multiply
371,895.44x = 513,219.72 × 202,129.60 - Step 4: Simplify right side
371,895.44x = 103,736,896,715.71 - Step 5: Solve for x
x = 103,736,896,715.71/371,895.44 - Step 6: Final answer
x = 278,941.03
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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.