Finding the Fourth Proportional to 371,907.22, 513,235.35 and 202,141.75
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Solution
The fourth proportional to 371,907.22, 513,235.35 and 202,141.75 is: 278,957.46
Step by Step Solution
- Step 1: Write the proportion equation
371,907.22 : 513,235.35 = 202,141.75 : x - Step 2: Convert to fraction form
371,907.22/513,235.35 = 202,141.75/x - Step 3: Cross multiply
371,907.22x = 513,235.35 × 202,141.75 - Step 4: Simplify right side
371,907.22x = 103,746,291,810.86 - Step 5: Solve for x
x = 103,746,291,810.86/371,907.22 - Step 6: Final answer
x = 278,957.46
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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.