Finding the Fourth Proportional to 147,089.94, 220,656.87 and 68,212.14
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Solution
The fourth proportional to 147,089.94, 220,656.87 and 68,212.14 is: 102,328.39
Step by Step Solution
- Step 1: Write the proportion equation
147,089.94 : 220,656.87 = 68,212.14 : x - Step 2: Convert to fraction form
147,089.94/220,656.87 = 68,212.14/x - Step 3: Cross multiply
147,089.94x = 220,656.87 × 68,212.14 - Step 4: Simplify right side
147,089.94x = 15,051,477,308.40 - Step 5: Solve for x
x = 15,051,477,308.40/147,089.94 - Step 6: Final answer
x = 102,328.39
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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.