Finding the Fourth Proportional to 382,303.99, 527,559.24 and 210,218.68
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Solution
The fourth proportional to 382,303.99, 527,559.24 and 210,218.68 is: 290,090.63
Step by Step Solution
- Step 1: Write the proportion equation
382,303.99 : 527,559.24 = 210,218.68 : x - Step 2: Convert to fraction form
382,303.99/527,559.24 = 210,218.68/x - Step 3: Cross multiply
382,303.99x = 527,559.24 × 210,218.68 - Step 4: Simplify right side
382,303.99x = 110,902,807,054.60 - Step 5: Solve for x
x = 110,902,807,054.60/382,303.99 - Step 6: Final answer
x = 290,090.63
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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.