Finding the Fourth Proportional to 344,137.82, 474,926.09 and 191,176.20
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Solution
The fourth proportional to 344,137.82, 474,926.09 and 191,176.20 is: 263,831.99
Step by Step Solution
- Step 1: Write the proportion equation
344,137.82 : 474,926.09 = 191,176.20 : x - Step 2: Convert to fraction form
344,137.82/474,926.09 = 191,176.20/x - Step 3: Cross multiply
344,137.82x = 474,926.09 × 191,176.20 - Step 4: Simplify right side
344,137.82x = 90,794,564,211.18 - Step 5: Solve for x
x = 90,794,564,211.18/344,137.82 - Step 6: Final answer
x = 263,831.99
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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.