Finding the Fourth Proportional to 319,447.44, 440,821.58 and 176,203.80
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Solution
The fourth proportional to 319,447.44, 440,821.58 and 176,203.80 is: 243,152.48
Step by Step Solution
- Step 1: Write the proportion equation
319,447.44 : 440,821.58 = 176,203.80 : x - Step 2: Convert to fraction form
319,447.44/440,821.58 = 176,203.80/x - Step 3: Cross multiply
319,447.44x = 440,821.58 × 176,203.80 - Step 4: Simplify right side
319,447.44x = 77,674,436,636.99 - Step 5: Solve for x
x = 77,674,436,636.99/319,447.44 - Step 6: Final answer
x = 243,152.48
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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.