Finding the Fourth Proportional to 381,256.35, 571,888.63 and 115,019.17
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Solution
The fourth proportional to 381,256.35, 571,888.63 and 115,019.17 is: 172,529.99
Step by Step Solution
- Step 1: Write the proportion equation
381,256.35 : 571,888.63 = 115,019.17 : x - Step 2: Convert to fraction form
381,256.35/571,888.63 = 115,019.17/x - Step 3: Cross multiply
381,256.35x = 571,888.63 × 115,019.17 - Step 4: Simplify right side
381,256.35x = 65,778,153,837.77 - Step 5: Solve for x
x = 65,778,153,837.77/381,256.35 - Step 6: Final answer
x = 172,529.99
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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.