Finding the Fourth Proportional to 270,134.19, 372,807.63 and 149,299.07
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Solution
The fourth proportional to 270,134.19, 372,807.63 and 149,299.07 is: 206,045.12
Step by Step Solution
- Step 1: Write the proportion equation
270,134.19 : 372,807.63 = 149,299.07 : x - Step 2: Convert to fraction form
270,134.19/372,807.63 = 149,299.07/x - Step 3: Cross multiply
270,134.19x = 372,807.63 × 149,299.07 - Step 4: Simplify right side
270,134.19x = 55,659,832,447.90 - Step 5: Solve for x
x = 55,659,832,447.90/270,134.19 - Step 6: Final answer
x = 206,045.12
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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.