Finding the Fourth Proportional to 395,930.34, 546,387.93 and 214,642.62
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Solution
The fourth proportional to 395,930.34, 546,387.93 and 214,642.62 is: 296,209.02
Step by Step Solution
- Step 1: Write the proportion equation
395,930.34 : 546,387.93 = 214,642.62 : x - Step 2: Convert to fraction form
395,930.34/546,387.93 = 214,642.62/x - Step 3: Cross multiply
395,930.34x = 546,387.93 × 214,642.62 - Step 4: Simplify right side
395,930.34x = 117,278,136,831.58 - Step 5: Solve for x
x = 117,278,136,831.58/395,930.34 - Step 6: Final answer
x = 296,209.02
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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.