Finding the Fourth Proportional to 279,536.64, 385,664.64 and 158,668.80
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Solution
The fourth proportional to 279,536.64, 385,664.64 and 158,668.80 is: 218,908.50
Step by Step Solution
- Step 1: Write the proportion equation
279,536.64 : 385,664.64 = 158,668.80 : x - Step 2: Convert to fraction form
279,536.64/385,664.64 = 158,668.80/x - Step 3: Cross multiply
279,536.64x = 385,664.64 × 158,668.80 - Step 4: Simplify right side
279,536.64x = 61,192,945,631.23 - Step 5: Solve for x
x = 61,192,945,631.23/279,536.64 - Step 6: Final answer
x = 218,908.50
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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.