Finding the Fourth Proportional to 450,126.64, 621,149.64 and 246,137.08
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Solution
The fourth proportional to 450,126.64, 621,149.64 and 246,137.08 is: 339,655.43
Step by Step Solution
- Step 1: Write the proportion equation
450,126.64 : 621,149.64 = 246,137.08 : x - Step 2: Convert to fraction form
450,126.64/621,149.64 = 246,137.08/x - Step 3: Cross multiply
450,126.64x = 621,149.64 × 246,137.08 - Step 4: Simplify right side
450,126.64x = 152,887,958,632.65 - Step 5: Solve for x
x = 152,887,958,632.65/450,126.64 - Step 6: Final answer
x = 339,655.43
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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.