Finding the Fourth Proportional to 153,022.23, 211,167.95 and 85,037.99
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Solution
The fourth proportional to 153,022.23, 211,167.95 and 85,037.99 is: 117,350.90
Step by Step Solution
- Step 1: Write the proportion equation
153,022.23 : 211,167.95 = 85,037.99 : x - Step 2: Convert to fraction form
153,022.23/211,167.95 = 85,037.99/x - Step 3: Cross multiply
153,022.23x = 211,167.95 × 85,037.99 - Step 4: Simplify right side
153,022.23x = 17,957,296,539.39 - Step 5: Solve for x
x = 17,957,296,539.39/153,022.23 - Step 6: Final answer
x = 117,350.90
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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.