Finding the Fourth Proportional to 447,024.10, 616,889.92 and 243,075.14
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Solution
The fourth proportional to 447,024.10, 616,889.92 and 243,075.14 is: 335,441.88
Step by Step Solution
- Step 1: Write the proportion equation
447,024.10 : 616,889.92 = 243,075.14 : x - Step 2: Convert to fraction form
447,024.10/616,889.92 = 243,075.14/x - Step 3: Cross multiply
447,024.10x = 616,889.92 × 243,075.14 - Step 4: Simplify right side
447,024.10x = 149,950,603,668.59 - Step 5: Solve for x
x = 149,950,603,668.59/447,024.10 - Step 6: Final answer
x = 335,441.88
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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.