Finding the Fourth Proportional to 290,276.99, 400,580.66 and 162,952.55
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Solution
The fourth proportional to 290,276.99, 400,580.66 and 162,952.55 is: 224,873.62
Step by Step Solution
- Step 1: Write the proportion equation
290,276.99 : 400,580.66 = 162,952.55 : x - Step 2: Convert to fraction form
290,276.99/400,580.66 = 162,952.55/x - Step 3: Cross multiply
290,276.99x = 400,580.66 × 162,952.55 - Step 4: Simplify right side
290,276.99x = 65,275,637,210.02 - Step 5: Solve for x
x = 65,275,637,210.02/290,276.99 - Step 6: Final answer
x = 224,873.62
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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.