Finding the Fourth Proportional to 448,688.70, 672,887.37 and 149,088.82
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Solution
The fourth proportional to 448,688.70, 672,887.37 and 149,088.82 is: 223,584.82
Step by Step Solution
- Step 1: Write the proportion equation
448,688.70 : 672,887.37 = 149,088.82 : x - Step 2: Convert to fraction form
448,688.70/672,887.37 = 149,088.82/x - Step 3: Cross multiply
448,688.70x = 672,887.37 × 149,088.82 - Step 4: Simplify right side
448,688.70x = 100,319,983,986.20 - Step 5: Solve for x
x = 100,319,983,986.20/448,688.70 - Step 6: Final answer
x = 223,584.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.