Finding the Fourth Proportional to 245,110.48, 338,199.99 and 143,089.64
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Solution
The fourth proportional to 245,110.48, 338,199.99 and 143,089.64 is: 197,433.07
Step by Step Solution
- Step 1: Write the proportion equation
245,110.48 : 338,199.99 = 143,089.64 : x - Step 2: Convert to fraction form
245,110.48/338,199.99 = 143,089.64/x - Step 3: Cross multiply
245,110.48x = 338,199.99 × 143,089.64 - Step 4: Simplify right side
245,110.48x = 48,392,914,817.10 - Step 5: Solve for x
x = 48,392,914,817.10/245,110.48 - Step 6: Final answer
x = 197,433.07
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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.