Finding the Fourth Proportional to 316,405.80, 474,608.70 and 94,789.80
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Solution
The fourth proportional to 316,405.80, 474,608.70 and 94,789.80 is: 142,184.70
Step by Step Solution
- Step 1: Write the proportion equation
316,405.80 : 474,608.70 = 94,789.80 : x - Step 2: Convert to fraction form
316,405.80/474,608.70 = 94,789.80/x - Step 3: Cross multiply
316,405.80x = 474,608.70 × 94,789.80 - Step 4: Simplify right side
316,405.80x = 44,988,063,751.26 - Step 5: Solve for x
x = 44,988,063,751.26/316,405.80 - Step 6: Final answer
x = 142,184.70
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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.