Finding the Fourth Proportional to 450,048.08, 620,773.74 and 288,647.48
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Solution
The fourth proportional to 450,048.08, 620,773.74 and 288,647.48 is: 398,145.85
Step by Step Solution
- Step 1: Write the proportion equation
450,048.08 : 620,773.74 = 288,647.48 : x - Step 2: Convert to fraction form
450,048.08/620,773.74 = 288,647.48/x - Step 3: Cross multiply
450,048.08x = 620,773.74 × 288,647.48 - Step 4: Simplify right side
450,048.08x = 179,184,775,701.18 - Step 5: Solve for x
x = 179,184,775,701.18/450,048.08 - Step 6: Final answer
x = 398,145.85
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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.