Finding the Fourth Proportional to 593,129.55, 818,519.23 and 321,197.75
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Solution
The fourth proportional to 593,129.55, 818,519.23 and 321,197.75 is: 443,253.14
Step by Step Solution
- Step 1: Write the proportion equation
593,129.55 : 818,519.23 = 321,197.75 : x - Step 2: Convert to fraction form
593,129.55/818,519.23 = 321,197.75/x - Step 3: Cross multiply
593,129.55x = 818,519.23 × 321,197.75 - Step 4: Simplify right side
593,129.55x = 262,906,534,386.08 - Step 5: Solve for x
x = 262,906,534,386.08/593,129.55 - Step 6: Final answer
x = 443,253.14
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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.