Finding the Fourth Proportional to 178,424.36, 267,636.74 and 60,085.79
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Solution
The fourth proportional to 178,424.36, 267,636.74 and 60,085.79 is: 90,128.75
Step by Step Solution
- Step 1: Write the proportion equation
178,424.36 : 267,636.74 = 60,085.79 : x - Step 2: Convert to fraction form
178,424.36/267,636.74 = 60,085.79/x - Step 3: Cross multiply
178,424.36x = 267,636.74 × 60,085.79 - Step 4: Simplify right side
178,424.36x = 16,081,163,317.31 - Step 5: Solve for x
x = 16,081,163,317.31/178,424.36 - Step 6: Final answer
x = 90,128.75
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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.