Finding the Fourth Proportional to 286,528.87, 395,402.70 and 159,204.79
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Solution
The fourth proportional to 286,528.87, 395,402.70 and 159,204.79 is: 219,698.64
Step by Step Solution
- Step 1: Write the proportion equation
286,528.87 : 395,402.70 = 159,204.79 : x - Step 2: Convert to fraction form
286,528.87/395,402.70 = 159,204.79/x - Step 3: Cross multiply
286,528.87x = 395,402.70 × 159,204.79 - Step 4: Simplify right side
286,528.87x = 62,950,003,818.93 - Step 5: Solve for x
x = 62,950,003,818.93/286,528.87 - Step 6: Final answer
x = 219,698.64
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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.