Finding the Fourth Proportional to 438,687.99, 605,390.94 and 237,483.99
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Solution
The fourth proportional to 438,687.99, 605,390.94 and 237,483.99 is: 327,728.73
Step by Step Solution
- Step 1: Write the proportion equation
438,687.99 : 605,390.94 = 237,483.99 : x - Step 2: Convert to fraction form
438,687.99/605,390.94 = 237,483.99/x - Step 3: Cross multiply
438,687.99x = 605,390.94 × 237,483.99 - Step 4: Simplify right side
438,687.99x = 143,770,655,941.05 - Step 5: Solve for x
x = 143,770,655,941.05/438,687.99 - Step 6: Final answer
x = 327,728.73
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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.