Finding the Fourth Proportional to 548,272.36, 756,580.80 and 306,574.84
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Solution
The fourth proportional to 548,272.36, 756,580.80 and 306,574.84 is: 423,053.68
Step by Step Solution
- Step 1: Write the proportion equation
548,272.36 : 756,580.80 = 306,574.84 : x - Step 2: Convert to fraction form
548,272.36/756,580.80 = 306,574.84/x - Step 3: Cross multiply
548,272.36x = 756,580.80 × 306,574.84 - Step 4: Simplify right side
548,272.36x = 231,948,637,707.07 - Step 5: Solve for x
x = 231,948,637,707.07/548,272.36 - Step 6: Final answer
x = 423,053.68
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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.