Finding the Fourth Proportional to 450,439.08, 621,596.33 and 246,489.18
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Solution
The fourth proportional to 450,439.08, 621,596.33 and 246,489.18 is: 340,149.81
Step by Step Solution
- Step 1: Write the proportion equation
450,439.08 : 621,596.33 = 246,489.18 : x - Step 2: Convert to fraction form
450,439.08/621,596.33 = 246,489.18/x - Step 3: Cross multiply
450,439.08x = 621,596.33 × 246,489.18 - Step 4: Simplify right side
450,439.08x = 153,216,768,440.26 - Step 5: Solve for x
x = 153,216,768,440.26/450,439.08 - Step 6: Final answer
x = 340,149.81
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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.