Finding the Fourth Proportional to 286,461.67, 395,168.85 and 194,585.68
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Solution
The fourth proportional to 286,461.67, 395,168.85 and 194,585.68 is: 268,427.53
Step by Step Solution
- Step 1: Write the proportion equation
286,461.67 : 395,168.85 = 194,585.68 : x - Step 2: Convert to fraction form
286,461.67/395,168.85 = 194,585.68/x - Step 3: Cross multiply
286,461.67x = 395,168.85 × 194,585.68 - Step 4: Simplify right side
286,461.67x = 76,894,199,392.07 - Step 5: Solve for x
x = 76,894,199,392.07/286,461.67 - Step 6: Final answer
x = 268,427.53
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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.