Finding the Fourth Proportional to 393,154.44, 542,551.86 and 214,306.44
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Solution
The fourth proportional to 393,154.44, 542,551.86 and 214,306.44 is: 295,742.20
Step by Step Solution
- Step 1: Write the proportion equation
393,154.44 : 542,551.86 = 214,306.44 : x - Step 2: Convert to fraction form
393,154.44/542,551.86 = 214,306.44/x - Step 3: Cross multiply
393,154.44x = 542,551.86 × 214,306.44 - Step 4: Simplify right side
393,154.44x = 116,272,357,631.98 - Step 5: Solve for x
x = 116,272,357,631.98/393,154.44 - Step 6: Final answer
x = 295,742.20
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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.