Finding the Fourth Proportional to 374,202.68, 516,418.43 and 228,963.02
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Solution
The fourth proportional to 374,202.68, 516,418.43 and 228,963.02 is: 315,980.42
Step by Step Solution
- Step 1: Write the proportion equation
374,202.68 : 516,418.43 = 228,963.02 : x - Step 2: Convert to fraction form
374,202.68/516,418.43 = 228,963.02/x - Step 3: Cross multiply
374,202.68x = 516,418.43 × 228,963.02 - Step 4: Simplify right side
374,202.68x = 118,240,719,589.55 - Step 5: Solve for x
x = 118,240,719,589.55/374,202.68 - Step 6: Final answer
x = 315,980.42
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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.