Finding the Fourth Proportional to 402,371.98, 555,065.12 and 273,317.12
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Solution
The fourth proportional to 402,371.98, 555,065.12 and 273,317.12 is: 377,036.19
Step by Step Solution
- Step 1: Write the proportion equation
402,371.98 : 555,065.12 = 273,317.12 : x - Step 2: Convert to fraction form
402,371.98/555,065.12 = 273,317.12/x - Step 3: Cross multiply
402,371.98x = 555,065.12 × 273,317.12 - Step 4: Simplify right side
402,371.98x = 151,708,800,010.85 - Step 5: Solve for x
x = 151,708,800,010.85/402,371.98 - Step 6: Final answer
x = 377,036.19
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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.