Finding the Fourth Proportional to 371,628.09, 559,919.14 and 336,128.96
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Solution
The fourth proportional to 371,628.09, 559,919.14 and 336,128.96 is: 506,433.83
Step by Step Solution
- Step 1: Write the proportion equation
371,628.09 : 559,919.14 = 336,128.96 : x - Step 2: Convert to fraction form
371,628.09/559,919.14 = 336,128.96/x - Step 3: Cross multiply
371,628.09x = 559,919.14 × 336,128.96 - Step 4: Simplify right side
371,628.09x = 188,205,038,212.29 - Step 5: Solve for x
x = 188,205,038,212.29/371,628.09 - Step 6: Final answer
x = 506,433.83
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.