Finding the Fourth Proportional to 178,389.24, 267,058.96 and 119,077.80
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Solution
The fourth proportional to 178,389.24, 267,058.96 and 119,077.80 is: 178,266.32
Step by Step Solution
- Step 1: Write the proportion equation
178,389.24 : 267,058.96 = 119,077.80 : x - Step 2: Convert to fraction form
178,389.24/267,058.96 = 119,077.80/x - Step 3: Cross multiply
178,389.24x = 267,058.96 × 119,077.80 - Step 4: Simplify right side
178,389.24x = 31,800,793,427.09 - Step 5: Solve for x
x = 31,800,793,427.09/178,389.24 - Step 6: Final answer
x = 178,266.32
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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.