Finding the Fourth Proportional to 375,539.48, 518,244.74 and 222,653.09
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Solution
The fourth proportional to 375,539.48, 518,244.74 and 222,653.09 is: 307,261.41
Step by Step Solution
- Step 1: Write the proportion equation
375,539.48 : 518,244.74 = 222,653.09 : x - Step 2: Convert to fraction form
375,539.48/518,244.74 = 222,653.09/x - Step 3: Cross multiply
375,539.48x = 518,244.74 × 222,653.09 - Step 4: Simplify right side
375,539.48x = 115,388,789,032.76 - Step 5: Solve for x
x = 115,388,789,032.76/375,539.48 - Step 6: Final answer
x = 307,261.41
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1.5x scale
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.