Finding the Fourth Proportional to 292,845.16, 403,912.74 and 185,432.68
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Solution
The fourth proportional to 292,845.16, 403,912.74 and 185,432.68 is: 255,761.86
Step by Step Solution
- Step 1: Write the proportion equation
292,845.16 : 403,912.74 = 185,432.68 : x - Step 2: Convert to fraction form
292,845.16/403,912.74 = 185,432.68/x - Step 3: Cross multiply
292,845.16x = 403,912.74 × 185,432.68 - Step 4: Simplify right side
292,845.16x = 74,898,621,864.34 - Step 5: Solve for x
x = 74,898,621,864.34/292,845.16 - Step 6: Final answer
x = 255,761.86
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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.