Finding the Fourth Proportional to 286,595.88, 395,516.70 and 159,283.32
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Solution
The fourth proportional to 286,595.88, 395,516.70 and 159,283.32 is: 219,818.98
Step by Step Solution
- Step 1: Write the proportion equation
286,595.88 : 395,516.70 = 159,283.32 : x - Step 2: Convert to fraction form
286,595.88/395,516.70 = 159,283.32/x - Step 3: Cross multiply
286,595.88x = 395,516.70 × 159,283.32 - Step 4: Simplify right side
286,595.88x = 62,999,213,091.44 - Step 5: Solve for x
x = 62,999,213,091.44/286,595.88 - Step 6: Final answer
x = 219,818.98
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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.