Finding the Fourth Proportional to 187,282.10, 258,420.30 and 106,713.02
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Solution
The fourth proportional to 187,282.10, 258,420.30 and 106,713.02 is: 147,247.44
Step by Step Solution
- Step 1: Write the proportion equation
187,282.10 : 258,420.30 = 106,713.02 : x - Step 2: Convert to fraction form
187,282.10/258,420.30 = 106,713.02/x - Step 3: Cross multiply
187,282.10x = 258,420.30 × 106,713.02 - Step 4: Simplify right side
187,282.10x = 27,576,810,642.31 - Step 5: Solve for x
x = 27,576,810,642.31/187,282.10 - Step 6: Final answer
x = 147,247.44
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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.