Finding the Fourth Proportional to 528,739.68, 793,146.24 and 213,199.68
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Solution
The fourth proportional to 528,739.68, 793,146.24 and 213,199.68 is: 319,814.33
Step by Step Solution
- Step 1: Write the proportion equation
528,739.68 : 793,146.24 = 213,199.68 : x - Step 2: Convert to fraction form
528,739.68/793,146.24 = 213,199.68/x - Step 3: Cross multiply
528,739.68x = 793,146.24 × 213,199.68 - Step 4: Simplify right side
528,739.68x = 169,098,524,561.20 - Step 5: Solve for x
x = 169,098,524,561.20/528,739.68 - Step 6: Final answer
x = 319,814.33
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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.