Finding the Fourth Proportional to 302,449.96, 416,682.18 and 217,419.88
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Solution
The fourth proportional to 302,449.96, 416,682.18 and 217,419.88 is: 299,537.12
Step by Step Solution
- Step 1: Write the proportion equation
302,449.96 : 416,682.18 = 217,419.88 : x - Step 2: Convert to fraction form
302,449.96/416,682.18 = 217,419.88/x - Step 3: Cross multiply
302,449.96x = 416,682.18 × 217,419.88 - Step 4: Simplify right side
302,449.96x = 90,594,989,573.74 - Step 5: Solve for x
x = 90,594,989,573.74/302,449.96 - Step 6: Final answer
x = 299,537.12
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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.