Finding the Fourth Proportional to 211,920.96, 292,456.08 and 116,433.84
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Solution
The fourth proportional to 211,920.96, 292,456.08 and 116,433.84 is: 160,681.53
Step by Step Solution
- Step 1: Write the proportion equation
211,920.96 : 292,456.08 = 116,433.84 : x - Step 2: Convert to fraction form
211,920.96/292,456.08 = 116,433.84/x - Step 3: Cross multiply
211,920.96x = 292,456.08 × 116,433.84 - Step 4: Simplify right side
211,920.96x = 34,051,784,425.75 - Step 5: Solve for x
x = 34,051,784,425.75/211,920.96 - Step 6: Final answer
x = 160,681.53
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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.