Finding the Fourth Proportional to 310,525.80, 465,788.70 and 271,159.80
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Solution
The fourth proportional to 310,525.80, 465,788.70 and 271,159.80 is: 406,739.70
Step by Step Solution
- Step 1: Write the proportion equation
310,525.80 : 465,788.70 = 271,159.80 : x - Step 2: Convert to fraction form
310,525.80/465,788.70 = 271,159.80/x - Step 3: Cross multiply
310,525.80x = 465,788.70 × 271,159.80 - Step 4: Simplify right side
310,525.80x = 126,303,170,734.26 - Step 5: Solve for x
x = 126,303,170,734.26/310,525.80 - Step 6: Final answer
x = 406,739.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.