Finding the Fourth Proportional to 160,435.93, 221,332.07 and 96,738.34
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Solution
The fourth proportional to 160,435.93, 221,332.07 and 96,738.34 is: 133,456.99
Step by Step Solution
- Step 1: Write the proportion equation
160,435.93 : 221,332.07 = 96,738.34 : x - Step 2: Convert to fraction form
160,435.93/221,332.07 = 96,738.34/x - Step 3: Cross multiply
160,435.93x = 221,332.07 × 96,738.34 - Step 4: Simplify right side
160,435.93x = 21,411,296,280.21 - Step 5: Solve for x
x = 21,411,296,280.21/160,435.93 - Step 6: Final answer
x = 133,456.99
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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.