Finding the Fourth Proportional to 155,981.44, 233,758.82 and 84,810.99
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Solution
The fourth proportional to 155,981.44, 233,758.82 and 84,810.99 is: 127,100.49
Step by Step Solution
- Step 1: Write the proportion equation
155,981.44 : 233,758.82 = 84,810.99 : x - Step 2: Convert to fraction form
155,981.44/233,758.82 = 84,810.99/x - Step 3: Cross multiply
155,981.44x = 233,758.82 × 84,810.99 - Step 4: Simplify right side
155,981.44x = 19,825,316,945.43 - Step 5: Solve for x
x = 19,825,316,945.43/155,981.44 - Step 6: Final answer
x = 127,100.49
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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.