Finding the Fourth Proportional to 211,369.47, 291,358.53 and 160,177.28
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Solution
The fourth proportional to 211,369.47, 291,358.53 and 160,177.28 is: 220,793.55
Step by Step Solution
- Step 1: Write the proportion equation
211,369.47 : 291,358.53 = 160,177.28 : x - Step 2: Convert to fraction form
211,369.47/291,358.53 = 160,177.28/x - Step 3: Cross multiply
211,369.47x = 291,358.53 × 160,177.28 - Step 4: Simplify right side
211,369.47x = 46,669,015,383.41 - Step 5: Solve for x
x = 46,669,015,383.41/211,369.47 - Step 6: Final answer
x = 220,793.55
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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.