Finding the Fourth Proportional to 408,435.41, 563,249.70 and 270,395.82
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Solution
The fourth proportional to 408,435.41, 563,249.70 and 270,395.82 is: 372,887.27
Step by Step Solution
- Step 1: Write the proportion equation
408,435.41 : 563,249.70 = 270,395.82 : x - Step 2: Convert to fraction form
408,435.41/563,249.70 = 270,395.82/x - Step 3: Cross multiply
408,435.41x = 563,249.70 × 270,395.82 - Step 4: Simplify right side
408,435.41x = 152,300,364,496.25 - Step 5: Solve for x
x = 152,300,364,496.25/408,435.41 - Step 6: Final answer
x = 372,887.27
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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.