Finding the Fourth Proportional to 160,465.36, 221,372.48 and 96,767.76
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Solution
The fourth proportional to 160,465.36, 221,372.48 and 96,767.76 is: 133,497.47
Step by Step Solution
- Step 1: Write the proportion equation
160,465.36 : 221,372.48 = 96,767.76 : x - Step 2: Convert to fraction form
160,465.36/221,372.48 = 96,767.76/x - Step 3: Cross multiply
160,465.36x = 221,372.48 × 96,767.76 - Step 4: Simplify right side
160,465.36x = 21,421,719,015.24 - Step 5: Solve for x
x = 21,421,719,015.24/160,465.36 - Step 6: Final answer
x = 133,497.47
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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.