Finding the Fourth Proportional to 155,689.08, 214,849.94 and 87,727.94
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Solution
The fourth proportional to 155,689.08, 214,849.94 and 87,727.94 is: 121,064.00
Step by Step Solution
- Step 1: Write the proportion equation
155,689.08 : 214,849.94 = 87,727.94 : x - Step 2: Convert to fraction form
155,689.08/214,849.94 = 87,727.94/x - Step 3: Cross multiply
155,689.08x = 214,849.94 × 87,727.94 - Step 4: Simplify right side
155,689.08x = 18,848,343,237.28 - Step 5: Solve for x
x = 18,848,343,237.28/155,689.08 - Step 6: Final answer
x = 121,064.00
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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.