Finding the Fourth Proportional to 450,630.84, 621,851.81 and 246,676.70
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Solution
The fourth proportional to 450,630.84, 621,851.81 and 246,676.70 is: 340,403.57
Step by Step Solution
- Step 1: Write the proportion equation
450,630.84 : 621,851.81 = 246,676.70 : x - Step 2: Convert to fraction form
450,630.84/621,851.81 = 246,676.70/x - Step 3: Cross multiply
450,630.84x = 621,851.81 × 246,676.70 - Step 4: Simplify right side
450,630.84x = 153,396,348,037.18 - Step 5: Solve for x
x = 153,396,348,037.18/450,630.84 - Step 6: Final answer
x = 340,403.57
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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.