Finding the Fourth Proportional to 450,507.44, 621,691.97 and 246,554.30
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Solution
The fourth proportional to 450,507.44, 621,691.97 and 246,554.30 is: 340,240.39
Step by Step Solution
- Step 1: Write the proportion equation
450,507.44 : 621,691.97 = 246,554.30 : x - Step 2: Convert to fraction form
450,507.44/621,691.97 = 246,554.30/x - Step 3: Cross multiply
450,507.44x = 621,691.97 × 246,554.30 - Step 4: Simplify right side
450,507.44x = 153,280,828,478.97 - Step 5: Solve for x
x = 153,280,828,478.97/450,507.44 - Step 6: Final answer
x = 340,240.39
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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.