Finding the Fourth Proportional to 316,129.23, 474,380.55 and 116,588.97
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Solution
The fourth proportional to 316,129.23, 474,380.55 and 116,588.97 is: 174,952.31
Step by Step Solution
- Step 1: Write the proportion equation
316,129.23 : 474,380.55 = 116,588.97 : x - Step 2: Convert to fraction form
316,129.23/474,380.55 = 116,588.97/x - Step 3: Cross multiply
316,129.23x = 474,380.55 × 116,588.97 - Step 4: Simplify right side
316,129.23x = 55,307,539,712.53 - Step 5: Solve for x
x = 55,307,539,712.53/316,129.23 - Step 6: Final answer
x = 174,952.31
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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.