Finding the Fourth Proportional to 438,527.98, 605,168.61 and 237,323.98
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Solution
The fourth proportional to 438,527.98, 605,168.61 and 237,323.98 is: 327,507.09
Step by Step Solution
- Step 1: Write the proportion equation
438,527.98 : 605,168.61 = 237,323.98 : x - Step 2: Convert to fraction form
438,527.98/605,168.61 = 237,323.98/x - Step 3: Cross multiply
438,527.98x = 605,168.61 × 237,323.98 - Step 4: Simplify right side
438,527.98x = 143,621,021,909.65 - Step 5: Solve for x
x = 143,621,021,909.65/438,527.98 - Step 6: Final answer
x = 327,507.09
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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.