Finding the Fourth Proportional to 294,926.90, 442,341.74 and 126,474.44
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Solution
The fourth proportional to 294,926.90, 442,341.74 and 126,474.44 is: 189,690.81
Step by Step Solution
- Step 1: Write the proportion equation
294,926.90 : 442,341.74 = 126,474.44 : x - Step 2: Convert to fraction form
294,926.90/442,341.74 = 126,474.44/x - Step 3: Cross multiply
294,926.90x = 442,341.74 × 126,474.44 - Step 4: Simplify right side
294,926.90x = 55,944,923,855.13 - Step 5: Solve for x
x = 55,944,923,855.13/294,926.90 - Step 6: Final answer
x = 189,690.81
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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.