Finding the Fourth Proportional to 416,619.37, 574,776.19 and 307,984.53
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Solution
The fourth proportional to 416,619.37, 574,776.19 and 307,984.53 is: 424,901.45
Step by Step Solution
- Step 1: Write the proportion equation
416,619.37 : 574,776.19 = 307,984.53 : x - Step 2: Convert to fraction form
416,619.37/574,776.19 = 307,984.53/x - Step 3: Cross multiply
416,619.37x = 574,776.19 × 307,984.53 - Step 4: Simplify right side
416,619.37x = 177,022,174,732.34 - Step 5: Solve for x
x = 177,022,174,732.34/416,619.37 - Step 6: Final answer
x = 424,901.45
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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.