Finding the Fourth Proportional to 374,534.97, 516,835.73 and 213,407.75
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Solution
The fourth proportional to 374,534.97, 516,835.73 and 213,407.75 is: 294,489.85
Step by Step Solution
- Step 1: Write the proportion equation
374,534.97 : 516,835.73 = 213,407.75 : x - Step 2: Convert to fraction form
374,534.97/516,835.73 = 213,407.75/x - Step 3: Cross multiply
374,534.97x = 516,835.73 × 213,407.75 - Step 4: Simplify right side
374,534.97x = 110,296,746,607.69 - Step 5: Solve for x
x = 110,296,746,607.69/374,534.97 - Step 6: Final answer
x = 294,489.85
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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.