Finding the Fourth Proportional to 450,508.44, 621,693.35 and 246,555.30
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Solution
The fourth proportional to 450,508.44, 621,693.35 and 246,555.30 is: 340,241.77
Step by Step Solution
- Step 1: Write the proportion equation
450,508.44 : 621,693.35 = 246,555.30 : x - Step 2: Convert to fraction form
450,508.44/621,693.35 = 246,555.30/x - Step 3: Cross multiply
450,508.44x = 621,693.35 × 246,555.30 - Step 4: Simplify right side
450,508.44x = 153,281,790,417.26 - Step 5: Solve for x
x = 153,281,790,417.26/450,508.44 - Step 6: Final answer
x = 340,241.77
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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.