Finding the Fourth Proportional to 402,878.06, 604,188.74 and 132,955.97
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Solution
The fourth proportional to 402,878.06, 604,188.74 and 132,955.97 is: 199,391.59
Step by Step Solution
- Step 1: Write the proportion equation
402,878.06 : 604,188.74 = 132,955.97 : x - Step 2: Convert to fraction form
402,878.06/604,188.74 = 132,955.97/x - Step 3: Cross multiply
402,878.06x = 604,188.74 × 132,955.97 - Step 4: Simplify right side
402,878.06x = 80,330,496,304.05 - Step 5: Solve for x
x = 80,330,496,304.05/402,878.06 - Step 6: Final answer
x = 199,391.59
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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.