Finding the Fourth Proportional to 450,206.67, 621,287.07 and 243,475.06
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Solution
The fourth proportional to 450,206.67, 621,287.07 and 243,475.06 is: 335,996.58
Step by Step Solution
- Step 1: Write the proportion equation
450,206.67 : 621,287.07 = 243,475.06 : x - Step 2: Convert to fraction form
450,206.67/621,287.07 = 243,475.06/x - Step 3: Cross multiply
450,206.67x = 621,287.07 × 243,475.06 - Step 4: Simplify right side
450,206.67x = 151,267,904,179.23 - Step 5: Solve for x
x = 151,267,904,179.23/450,206.67 - Step 6: Final answer
x = 335,996.58
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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.