Finding the Fourth Proportional to 380,557.91, 570,716.01 and 124,332.10
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Solution
The fourth proportional to 380,557.91, 570,716.01 and 124,332.10 is: 186,458.66
Step by Step Solution
- Step 1: Write the proportion equation
380,557.91 : 570,716.01 = 124,332.10 : x - Step 2: Convert to fraction form
380,557.91/570,716.01 = 124,332.10/x - Step 3: Cross multiply
380,557.91x = 570,716.01 × 124,332.10 - Step 4: Simplify right side
380,557.91x = 70,958,318,600.13 - Step 5: Solve for x
x = 70,958,318,600.13/380,557.91 - Step 6: Final answer
x = 186,458.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.