Finding the Fourth Proportional to 450,276.49, 621,386.46 and 246,323.02
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Solution
The fourth proportional to 450,276.49, 621,386.46 and 246,323.02 is: 339,928.45
Step by Step Solution
- Step 1: Write the proportion equation
450,276.49 : 621,386.46 = 246,323.02 : x - Step 2: Convert to fraction form
450,276.49/621,386.46 = 246,323.02/x - Step 3: Cross multiply
450,276.49x = 621,386.46 × 246,323.02 - Step 4: Simplify right side
450,276.49x = 153,061,789,414.31 - Step 5: Solve for x
x = 153,061,789,414.31/450,276.49 - Step 6: Final answer
x = 339,928.45
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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.