Finding the Fourth Proportional to 144,730.04, 199,729.53 and 84,299.12
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Solution
The fourth proportional to 144,730.04, 199,729.53 and 84,299.12 is: 116,333.99
Step by Step Solution
- Step 1: Write the proportion equation
144,730.04 : 199,729.53 = 84,299.12 : x - Step 2: Convert to fraction form
144,730.04/199,729.53 = 84,299.12/x - Step 3: Cross multiply
144,730.04x = 199,729.53 × 84,299.12 - Step 4: Simplify right side
144,730.04x = 16,837,023,617.01 - Step 5: Solve for x
x = 16,837,023,617.01/144,730.04 - Step 6: Final answer
x = 116,333.99
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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.