Finding the Fourth Proportional to 387,097.38, 534,236.50 and 234,219.93
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Solution
The fourth proportional to 387,097.38, 534,236.50 and 234,219.93 is: 323,248.99
Step by Step Solution
- Step 1: Write the proportion equation
387,097.38 : 534,236.50 = 234,219.93 : x - Step 2: Convert to fraction form
387,097.38/534,236.50 = 234,219.93/x - Step 3: Cross multiply
387,097.38x = 534,236.50 × 234,219.93 - Step 4: Simplify right side
387,097.38x = 125,128,835,633.45 - Step 5: Solve for x
x = 125,128,835,633.45/387,097.38 - Step 6: Final answer
x = 323,248.99
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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.