Finding the Fourth Proportional to 240,577.76, 331,987.11 and 133,137.74
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Solution
The fourth proportional to 240,577.76, 331,987.11 and 133,137.74 is: 183,724.44
Step by Step Solution
- Step 1: Write the proportion equation
240,577.76 : 331,987.11 = 133,137.74 : x - Step 2: Convert to fraction form
240,577.76/331,987.11 = 133,137.74/x - Step 3: Cross multiply
240,577.76x = 331,987.11 × 133,137.74 - Step 4: Simplify right side
240,577.76x = 44,200,013,865.23 - Step 5: Solve for x
x = 44,200,013,865.23/240,577.76 - Step 6: Final answer
x = 183,724.44
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1.5x scale
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.