Finding the Fourth Proportional to 476,718.81, 715,077.60 and 121,733.07
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Solution
The fourth proportional to 476,718.81, 715,077.60 and 121,733.07 is: 182,599.45
Step by Step Solution
- Step 1: Write the proportion equation
476,718.81 : 715,077.60 = 121,733.07 : x - Step 2: Convert to fraction form
476,718.81/715,077.60 = 121,733.07/x - Step 3: Cross multiply
476,718.81x = 715,077.60 × 121,733.07 - Step 4: Simplify right side
476,718.81x = 87,048,591,536.23 - Step 5: Solve for x
x = 87,048,591,536.23/476,718.81 - Step 6: Final answer
x = 182,599.45
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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.