Finding the Fourth Proportional to 450,508.18, 621,692.90 and 246,554.96
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Solution
The fourth proportional to 450,508.18, 621,692.90 and 246,554.96 is: 340,241.26
Step by Step Solution
- Step 1: Write the proportion equation
450,508.18 : 621,692.90 = 246,554.96 : x - Step 2: Convert to fraction form
450,508.18/621,692.90 = 246,554.96/x - Step 3: Cross multiply
450,508.18x = 621,692.90 × 246,554.96 - Step 4: Simplify right side
450,508.18x = 153,281,469,227.22 - Step 5: Solve for x
x = 153,281,469,227.22/450,508.18 - Step 6: Final answer
x = 340,241.26
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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.