Finding the Fourth Proportional to 353,162.70, 487,374.36 and 192,028.80
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Solution
The fourth proportional to 353,162.70, 487,374.36 and 192,028.80 is: 265,005.09
Step by Step Solution
- Step 1: Write the proportion equation
353,162.70 : 487,374.36 = 192,028.80 : x - Step 2: Convert to fraction form
353,162.70/487,374.36 = 192,028.80/x - Step 3: Cross multiply
353,162.70x = 487,374.36 × 192,028.80 - Step 4: Simplify right side
353,162.70x = 93,589,913,501.57 - Step 5: Solve for x
x = 93,589,913,501.57/353,162.70 - Step 6: Final answer
x = 265,005.09
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.