Finding the Fourth Proportional to 286,392.50, 395,221.68 and 159,079.94
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Solution
The fourth proportional to 286,392.50, 395,221.68 and 159,079.94 is: 219,530.33
Step by Step Solution
- Step 1: Write the proportion equation
286,392.50 : 395,221.68 = 159,079.94 : x - Step 2: Convert to fraction form
286,392.50/395,221.68 = 159,079.94/x - Step 3: Cross multiply
286,392.50x = 395,221.68 × 159,079.94 - Step 4: Simplify right side
286,392.50x = 62,871,841,141.10 - Step 5: Solve for x
x = 62,871,841,141.10/286,392.50 - Step 6: Final answer
x = 219,530.33
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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.