Finding the Fourth Proportional to 292,810.68, 438,379.26 and 274,210.38
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Solution
The fourth proportional to 292,810.68, 438,379.26 and 274,210.38 is: 410,531.96
Step by Step Solution
- Step 1: Write the proportion equation
292,810.68 : 438,379.26 = 274,210.38 : x - Step 2: Convert to fraction form
292,810.68/438,379.26 = 274,210.38/x - Step 3: Cross multiply
292,810.68x = 438,379.26 × 274,210.38 - Step 4: Simplify right side
292,810.68x = 120,208,143,468.72 - Step 5: Solve for x
x = 120,208,143,468.72/292,810.68 - Step 6: Final answer
x = 410,531.96
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.