Finding the Fourth Proportional to 313,295.19, 432,355.05 and 170,054.88
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Solution
The fourth proportional to 313,295.19, 432,355.05 and 170,054.88 is: 234,679.91
Step by Step Solution
- Step 1: Write the proportion equation
313,295.19 : 432,355.05 = 170,054.88 : x - Step 2: Convert to fraction form
313,295.19/432,355.05 = 170,054.88/x - Step 3: Cross multiply
313,295.19x = 432,355.05 × 170,054.88 - Step 4: Simplify right side
313,295.19x = 73,524,086,145.14 - Step 5: Solve for x
x = 73,524,086,145.14/313,295.19 - Step 6: Final answer
x = 234,679.91
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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.