Finding the Fourth Proportional to 155,718.99, 214,892.19 and 84,099.02
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Solution
The fourth proportional to 155,718.99, 214,892.19 and 84,099.02 is: 116,056.63
Step by Step Solution
- Step 1: Write the proportion equation
155,718.99 : 214,892.19 = 84,099.02 : x - Step 2: Convert to fraction form
155,718.99/214,892.19 = 84,099.02/x - Step 3: Cross multiply
155,718.99x = 214,892.19 × 84,099.02 - Step 4: Simplify right side
155,718.99x = 18,072,221,510.19 - Step 5: Solve for x
x = 18,072,221,510.19/155,718.99 - Step 6: Final answer
x = 116,056.63
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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.