Finding the Fourth Proportional to 395,881.44, 546,315.12 and 214,594.08
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Solution
The fourth proportional to 395,881.44, 546,315.12 and 214,594.08 is: 296,139.14
Step by Step Solution
- Step 1: Write the proportion equation
395,881.44 : 546,315.12 = 214,594.08 : x - Step 2: Convert to fraction form
395,881.44/546,315.12 = 214,594.08/x - Step 3: Cross multiply
395,881.44x = 546,315.12 × 214,594.08 - Step 4: Simplify right side
395,881.44x = 117,235,990,566.49 - Step 5: Solve for x
x = 117,235,990,566.49/395,881.44 - Step 6: Final answer
x = 296,139.14
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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.