Finding the Fourth Proportional to 320,972.77, 442,937.00 and 177,729.74
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Solution
The fourth proportional to 320,972.77, 442,937.00 and 177,729.74 is: 245,264.03
Step by Step Solution
- Step 1: Write the proportion equation
320,972.77 : 442,937.00 = 177,729.74 : x - Step 2: Convert to fraction form
320,972.77/442,937.00 = 177,729.74/x - Step 3: Cross multiply
320,972.77x = 442,937.00 × 177,729.74 - Step 4: Simplify right side
320,972.77x = 78,723,074,743.05 - Step 5: Solve for x
x = 78,723,074,743.05/320,972.77 - Step 6: Final answer
x = 245,264.03
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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.