Finding the Fourth Proportional to 272,924.75, 409,330.74 and 73,197.66
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Solution
The fourth proportional to 272,924.75, 409,330.74 and 73,197.66 is: 109,781.37
Step by Step Solution
- Step 1: Write the proportion equation
272,924.75 : 409,330.74 = 73,197.66 : x - Step 2: Convert to fraction form
272,924.75/409,330.74 = 73,197.66/x - Step 3: Cross multiply
272,924.75x = 409,330.74 × 73,197.66 - Step 4: Simplify right side
272,924.75x = 29,962,052,334.07 - Step 5: Solve for x
x = 29,962,052,334.07/272,924.75 - Step 6: Final answer
x = 109,781.37
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.