Finding the Fourth Proportional to 201,412.02, 277,951.98 and 115,378.53
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Solution
The fourth proportional to 201,412.02, 277,951.98 and 115,378.53 is: 159,224.31
Step by Step Solution
- Step 1: Write the proportion equation
201,412.02 : 277,951.98 = 115,378.53 : x - Step 2: Convert to fraction form
201,412.02/277,951.98 = 115,378.53/x - Step 3: Cross multiply
201,412.02x = 277,951.98 × 115,378.53 - Step 4: Simplify right side
201,412.02x = 32,069,690,862.99 - Step 5: Solve for x
x = 32,069,690,862.99/201,412.02 - Step 6: Final answer
x = 159,224.31
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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.