Finding the Fourth Proportional to 201,453.99, 278,000.70 and 110,809.95
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Solution
The fourth proportional to 201,453.99, 278,000.70 and 110,809.95 is: 152,914.54
Step by Step Solution
- Step 1: Write the proportion equation
201,453.99 : 278,000.70 = 110,809.95 : x - Step 2: Convert to fraction form
201,453.99/278,000.70 = 110,809.95/x - Step 3: Cross multiply
201,453.99x = 278,000.70 × 110,809.95 - Step 4: Simplify right side
201,453.99x = 30,805,243,666.97 - Step 5: Solve for x
x = 30,805,243,666.97/201,453.99 - Step 6: Final answer
x = 152,914.54
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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.