Finding the Fourth Proportional to 263,216.80, 363,239.16 and 142,358.08
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Solution
The fourth proportional to 263,216.80, 363,239.16 and 142,358.08 is: 196,454.14
Step by Step Solution
- Step 1: Write the proportion equation
263,216.80 : 363,239.16 = 142,358.08 : x - Step 2: Convert to fraction form
263,216.80/363,239.16 = 142,358.08/x - Step 3: Cross multiply
263,216.80x = 363,239.16 × 142,358.08 - Step 4: Simplify right side
263,216.80x = 51,710,029,398.41 - Step 5: Solve for x
x = 51,710,029,398.41/263,216.80 - Step 6: Final answer
x = 196,454.14
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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.