Finding the Fourth Proportional to 263,637.36, 363,817.44 and 142,776.99
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Solution
The fourth proportional to 263,637.36, 363,817.44 and 142,776.99 is: 197,031.10
Step by Step Solution
- Step 1: Write the proportion equation
263,637.36 : 363,817.44 = 142,776.99 : x - Step 2: Convert to fraction form
263,637.36/363,817.44 = 142,776.99/x - Step 3: Cross multiply
263,637.36x = 363,817.44 × 142,776.99 - Step 4: Simplify right side
263,637.36x = 51,944,758,992.71 - Step 5: Solve for x
x = 51,944,758,992.71/263,637.36 - Step 6: Final answer
x = 197,031.10
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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.