Finding the Fourth Proportional to 450,582.16, 621,778.68 and 256,961.44
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Solution
The fourth proportional to 450,582.16, 621,778.68 and 256,961.44 is: 354,592.70
Step by Step Solution
- Step 1: Write the proportion equation
450,582.16 : 621,778.68 = 256,961.44 : x - Step 2: Convert to fraction form
450,582.16/621,778.68 = 256,961.44/x - Step 3: Cross multiply
450,582.16x = 621,778.68 × 256,961.44 - Step 4: Simplify right side
450,582.16x = 159,773,144,974.10 - Step 5: Solve for x
x = 159,773,144,974.10/450,582.16 - Step 6: Final answer
x = 354,592.70
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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.