Finding the Fourth Proportional to 320,735.91, 442,604.59 and 177,501.99
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Solution
The fourth proportional to 320,735.91, 442,604.59 and 177,501.99 is: 244,946.68
Step by Step Solution
- Step 1: Write the proportion equation
320,735.91 : 442,604.59 = 177,501.99 : x - Step 2: Convert to fraction form
320,735.91/442,604.59 = 177,501.99/x - Step 3: Cross multiply
320,735.91x = 442,604.59 × 177,501.99 - Step 4: Simplify right side
320,735.91x = 78,563,195,508.13 - Step 5: Solve for x
x = 78,563,195,508.13/320,735.91 - Step 6: Final answer
x = 244,946.68
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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.