Finding the Fourth Proportional to 301,117.62, 415,542.26 and 166,981.62
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Solution
The fourth proportional to 301,117.62, 415,542.26 and 166,981.62 is: 230,434.60
Step by Step Solution
- Step 1: Write the proportion equation
301,117.62 : 415,542.26 = 166,981.62 : x - Step 2: Convert to fraction form
301,117.62/415,542.26 = 166,981.62/x - Step 3: Cross multiply
301,117.62x = 415,542.26 × 166,981.62 - Step 4: Simplify right side
301,117.62x = 69,387,919,753.26 - Step 5: Solve for x
x = 69,387,919,753.26/301,117.62 - Step 6: Final answer
x = 230,434.60
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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.