Finding the Fourth Proportional to 221,112.01, 331,006.98 and 135,453.02
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Solution
The fourth proportional to 221,112.01, 331,006.98 and 135,453.02 is: 202,774.59
Step by Step Solution
- Step 1: Write the proportion equation
221,112.01 : 331,006.98 = 135,453.02 : x - Step 2: Convert to fraction form
221,112.01/331,006.98 = 135,453.02/x - Step 3: Cross multiply
221,112.01x = 331,006.98 × 135,453.02 - Step 4: Simplify right side
221,112.01x = 44,835,895,909.60 - Step 5: Solve for x
x = 44,835,895,909.60/221,112.01 - Step 6: Final answer
x = 202,774.59
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1.5x scale
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.