Finding the Fourth Proportional to 380,943.36, 525,627.80 and 225,865.99
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Solution
The fourth proportional to 380,943.36, 525,627.80 and 225,865.99 is: 311,651.18
Step by Step Solution
- Step 1: Write the proportion equation
380,943.36 : 525,627.80 = 225,865.99 : x - Step 2: Convert to fraction form
380,943.36/525,627.80 = 225,865.99/x - Step 3: Cross multiply
380,943.36x = 525,627.80 × 225,865.99 - Step 4: Simplify right side
380,943.36x = 118,721,444,478.32 - Step 5: Solve for x
x = 118,721,444,478.32/380,943.36 - Step 6: Final answer
x = 311,651.18
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.