Finding the Fourth Proportional to 144,523.08, 216,816.45 and 43,317.09
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Solution
The fourth proportional to 144,523.08, 216,816.45 and 43,317.09 is: 64,985.18
Step by Step Solution
- Step 1: Write the proportion equation
144,523.08 : 216,816.45 = 43,317.09 : x - Step 2: Convert to fraction form
144,523.08/216,816.45 = 43,317.09/x - Step 3: Cross multiply
144,523.08x = 216,816.45 × 43,317.09 - Step 4: Simplify right side
144,523.08x = 9,391,857,678.13 - Step 5: Solve for x
x = 9,391,857,678.13/144,523.08 - Step 6: Final answer
x = 64,985.18
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.