Finding the Fourth Proportional to 160,235.24, 221,122.71 and 88,613.70
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Solution
The fourth proportional to 160,235.24, 221,122.71 and 88,613.70 is: 122,285.85
Step by Step Solution
- Step 1: Write the proportion equation
160,235.24 : 221,122.71 = 88,613.70 : x - Step 2: Convert to fraction form
160,235.24/221,122.71 = 88,613.70/x - Step 3: Cross multiply
160,235.24x = 221,122.71 × 88,613.70 - Step 4: Simplify right side
160,235.24x = 19,594,501,487.13 - Step 5: Solve for x
x = 19,594,501,487.13/160,235.24 - Step 6: Final answer
x = 122,285.85
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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.