Finding the Fourth Proportional to 286,766.08, 395,747.35 and 157,714.53
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Solution
The fourth proportional to 286,766.08, 395,747.35 and 157,714.53 is: 217,651.64
Step by Step Solution
- Step 1: Write the proportion equation
286,766.08 : 395,747.35 = 157,714.53 : x - Step 2: Convert to fraction form
286,766.08/395,747.35 = 157,714.53/x - Step 3: Cross multiply
286,766.08x = 395,747.35 × 157,714.53 - Step 4: Simplify right side
286,766.08x = 62,415,107,304.00 - Step 5: Solve for x
x = 62,415,107,304.00/286,766.08 - Step 6: Final answer
x = 217,651.64
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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.