Finding the Fourth Proportional to 248,266.42, 342,606.09 and 135,089.62
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Solution
The fourth proportional to 248,266.42, 342,606.09 and 135,089.62 is: 186,422.82
Step by Step Solution
- Step 1: Write the proportion equation
248,266.42 : 342,606.09 = 135,089.62 : x - Step 2: Convert to fraction form
248,266.42/342,606.09 = 135,089.62/x - Step 3: Cross multiply
248,266.42x = 342,606.09 × 135,089.62 - Step 4: Simplify right side
248,266.42x = 46,282,526,507.79 - Step 5: Solve for x
x = 46,282,526,507.79/248,266.42 - Step 6: Final answer
x = 186,422.82
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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.