Finding the Fourth Proportional to 354,257.60, 531,040.80 and 316,932.80
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Solution
The fourth proportional to 354,257.60, 531,040.80 and 316,932.80 is: 475,090.01
Step by Step Solution
- Step 1: Write the proportion equation
354,257.60 : 531,040.80 = 316,932.80 : x - Step 2: Convert to fraction form
354,257.60/531,040.80 = 316,932.80/x - Step 3: Cross multiply
354,257.60x = 531,040.80 × 316,932.80 - Step 4: Simplify right side
354,257.60x = 168,304,247,658.24 - Step 5: Solve for x
x = 168,304,247,658.24/354,257.60 - Step 6: Final answer
x = 475,090.01
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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.