Finding the Fourth Proportional to 320,483.70, 442,259.97 and 177,240.66
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Solution
The fourth proportional to 320,483.70, 442,259.97 and 177,240.66 is: 244,587.94
Step by Step Solution
- Step 1: Write the proportion equation
320,483.70 : 442,259.97 = 177,240.66 : x - Step 2: Convert to fraction form
320,483.70/442,259.97 = 177,240.66/x - Step 3: Cross multiply
320,483.70x = 442,259.97 × 177,240.66 - Step 4: Simplify right side
320,483.70x = 78,386,448,974.38 - Step 5: Solve for x
x = 78,386,448,974.38/320,483.70 - Step 6: Final answer
x = 244,587.94
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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.