Finding the Fourth Proportional to 450,720.74, 621,996.41 and 246,790.59
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Solution
The fourth proportional to 450,720.74, 621,996.41 and 246,790.59 is: 340,571.99
Step by Step Solution
- Step 1: Write the proportion equation
450,720.74 : 621,996.41 = 246,790.59 : x - Step 2: Convert to fraction form
450,720.74/621,996.41 = 246,790.59/x - Step 3: Cross multiply
450,720.74x = 621,996.41 × 246,790.59 - Step 4: Simplify right side
450,720.74x = 153,502,861,001.78 - Step 5: Solve for x
x = 153,502,861,001.78/450,720.74 - Step 6: Final answer
x = 340,571.99
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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.