Finding the Fourth Proportional to 211,483.11, 291,618.68 and 160,589.19
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Solution
The fourth proportional to 211,483.11, 291,618.68 and 160,589.19 is: 221,439.94
Step by Step Solution
- Step 1: Write the proportion equation
211,483.11 : 291,618.68 = 160,589.19 : x - Step 2: Convert to fraction form
211,483.11/291,618.68 = 160,589.19/x - Step 3: Cross multiply
211,483.11x = 291,618.68 × 160,589.19 - Step 4: Simplify right side
211,483.11x = 46,830,806,807.12 - Step 5: Solve for x
x = 46,830,806,807.12/211,483.11 - Step 6: Final answer
x = 221,439.94
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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.