Finding the Fourth Proportional to 160,916.04, 222,031.80 and 97,257.42
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Solution
The fourth proportional to 160,916.04, 222,031.80 and 97,257.42 is: 134,195.70
Step by Step Solution
- Step 1: Write the proportion equation
160,916.04 : 222,031.80 = 97,257.42 : x - Step 2: Convert to fraction form
160,916.04/222,031.80 = 97,257.42/x - Step 3: Cross multiply
160,916.04x = 222,031.80 × 97,257.42 - Step 4: Simplify right side
160,916.04x = 21,594,240,025.96 - Step 5: Solve for x
x = 21,594,240,025.96/160,916.04 - Step 6: Final answer
x = 134,195.70
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1.5x scale
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.