Finding the Fourth Proportional to 338,825.40, 508,284.99 and 114,250.08
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Solution
The fourth proportional to 338,825.40, 508,284.99 and 114,250.08 is: 171,390.93
Step by Step Solution
- Step 1: Write the proportion equation
338,825.40 : 508,284.99 = 114,250.08 : x - Step 2: Convert to fraction form
338,825.40/508,284.99 = 114,250.08/x - Step 3: Cross multiply
338,825.40x = 508,284.99 × 114,250.08 - Step 4: Simplify right side
338,825.40x = 58,071,600,770.30 - Step 5: Solve for x
x = 58,071,600,770.30/338,825.40 - Step 6: Final answer
x = 171,390.93
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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.