Finding the Fourth Proportional to 250,405.86, 345,556.53 and 135,681.83
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Solution
The fourth proportional to 250,405.86, 345,556.53 and 135,681.83 is: 187,238.99
Step by Step Solution
- Step 1: Write the proportion equation
250,405.86 : 345,556.53 = 135,681.83 : x - Step 2: Convert to fraction form
250,405.86/345,556.53 = 135,681.83/x - Step 3: Cross multiply
250,405.86x = 345,556.53 × 135,681.83 - Step 4: Simplify right side
250,405.86x = 46,885,740,631.07 - Step 5: Solve for x
x = 46,885,740,631.07/250,405.86 - Step 6: Final answer
x = 187,238.99
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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.