Finding the Fourth Proportional to 316,848.38, 475,272.56 and 106,486.31
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Solution
The fourth proportional to 316,848.38, 475,272.56 and 106,486.31 is: 159,729.47
Step by Step Solution
- Step 1: Write the proportion equation
316,848.38 : 475,272.56 = 106,486.31 : x - Step 2: Convert to fraction form
316,848.38/475,272.56 = 106,486.31/x - Step 3: Cross multiply
316,848.38x = 475,272.56 × 106,486.31 - Step 4: Simplify right side
316,848.38x = 50,610,022,613.05 - Step 5: Solve for x
x = 50,610,022,613.05/316,848.38 - Step 6: Final answer
x = 159,729.47
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.