Finding the Fourth Proportional to 292,340.62, 438,471.96 and 92,681.19
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Solution
The fourth proportional to 292,340.62, 438,471.96 and 92,681.19 is: 139,009.43
Step by Step Solution
- Step 1: Write the proportion equation
292,340.62 : 438,471.96 = 92,681.19 : x - Step 2: Convert to fraction form
292,340.62/438,471.96 = 92,681.19/x - Step 3: Cross multiply
292,340.62x = 438,471.96 × 92,681.19 - Step 4: Simplify right side
292,340.62x = 40,638,103,034.43 - Step 5: Solve for x
x = 40,638,103,034.43/292,340.62 - Step 6: Final answer
x = 139,009.43
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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.