Finding the Fourth Proportional to 286,699.94, 395,553.30 and 159,350.96
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Solution
The fourth proportional to 286,699.94, 395,553.30 and 159,350.96 is: 219,852.85
Step by Step Solution
- Step 1: Write the proportion equation
286,699.94 : 395,553.30 = 159,350.96 : x - Step 2: Convert to fraction form
286,699.94/395,553.30 = 159,350.96/x - Step 3: Cross multiply
286,699.94x = 395,553.30 × 159,350.96 - Step 4: Simplify right side
286,699.94x = 63,031,798,086.17 - Step 5: Solve for x
x = 63,031,798,086.17/286,699.94 - Step 6: Final answer
x = 219,852.85
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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.