Finding the Fourth Proportional to 199,479.43, 299,038.84 and 135,458.94
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Solution
The fourth proportional to 199,479.43, 299,038.84 and 135,458.94 is: 203,065.96
Step by Step Solution
- Step 1: Write the proportion equation
199,479.43 : 299,038.84 = 135,458.94 : x - Step 2: Convert to fraction form
199,479.43/299,038.84 = 135,458.94/x - Step 3: Cross multiply
199,479.43x = 299,038.84 × 135,458.94 - Step 4: Simplify right side
199,479.43x = 40,507,482,112.74 - Step 5: Solve for x
x = 40,507,482,112.74/199,479.43 - Step 6: Final answer
x = 203,065.96
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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.