Finding the Fourth Proportional to 320,988.24, 442,920.33 and 177,744.60
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Solution
The fourth proportional to 320,988.24, 442,920.33 and 177,744.60 is: 245,263.49
Step by Step Solution
- Step 1: Write the proportion equation
320,988.24 : 442,920.33 = 177,744.60 : x - Step 2: Convert to fraction form
320,988.24/442,920.33 = 177,744.60/x - Step 3: Cross multiply
320,988.24x = 442,920.33 × 177,744.60 - Step 4: Simplify right side
320,988.24x = 78,726,696,887.72 - Step 5: Solve for x
x = 78,726,696,887.72/320,988.24 - Step 6: Final answer
x = 245,263.49
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.