Finding the Fourth Proportional to 320,291.19, 442,004.49 and 177,053.63
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Solution
The fourth proportional to 320,291.19, 442,004.49 and 177,053.63 is: 244,335.47
Step by Step Solution
- Step 1: Write the proportion equation
320,291.19 : 442,004.49 = 177,053.63 : x - Step 2: Convert to fraction form
320,291.19/442,004.49 = 177,053.63/x - Step 3: Cross multiply
320,291.19x = 442,004.49 × 177,053.63 - Step 4: Simplify right side
320,291.19x = 78,258,497,220.78 - Step 5: Solve for x
x = 78,258,497,220.78/320,291.19 - Step 6: Final answer
x = 244,335.47
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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.