Finding the Fourth Proportional to 407,502.99, 562,356.29 and 254,629.90
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Solution
The fourth proportional to 407,502.99, 562,356.29 and 254,629.90 is: 351,390.61
Step by Step Solution
- Step 1: Write the proportion equation
407,502.99 : 562,356.29 = 254,629.90 : x - Step 2: Convert to fraction form
407,502.99/562,356.29 = 254,629.90/x - Step 3: Cross multiply
407,502.99x = 562,356.29 × 254,629.90 - Step 4: Simplify right side
407,502.99x = 143,192,725,887.07 - Step 5: Solve for x
x = 143,192,725,887.07/407,502.99 - Step 6: Final answer
x = 351,390.61
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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.