Finding the Fourth Proportional to 438,544.05, 605,190.86 and 237,340.05
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Solution
The fourth proportional to 438,544.05, 605,190.86 and 237,340.05 is: 327,529.31
Step by Step Solution
- Step 1: Write the proportion equation
438,544.05 : 605,190.86 = 237,340.05 : x - Step 2: Convert to fraction form
438,544.05/605,190.86 = 237,340.05/x - Step 3: Cross multiply
438,544.05x = 605,190.86 × 237,340.05 - Step 4: Simplify right side
438,544.05x = 143,636,028,971.94 - Step 5: Solve for x
x = 143,636,028,971.94/438,544.05 - Step 6: Final answer
x = 327,529.31
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1.5x scale
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.