Finding the Fourth Proportional to 457,453.01, 631,280.10 and 250,723.08
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Solution
The fourth proportional to 457,453.01, 631,280.10 and 250,723.08 is: 345,995.07
Step by Step Solution
- Step 1: Write the proportion equation
457,453.01 : 631,280.10 = 250,723.08 : x - Step 2: Convert to fraction form
457,453.01/631,280.10 = 250,723.08/x - Step 3: Cross multiply
457,453.01x = 631,280.10 × 250,723.08 - Step 4: Simplify right side
457,453.01x = 158,276,487,858.31 - Step 5: Solve for x
x = 158,276,487,858.31/457,453.01 - Step 6: Final answer
x = 345,995.07
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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.