Finding the Fourth Proportional to 144,381.19, 216,426.42 and 60,187.99
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Solution
The fourth proportional to 144,381.19, 216,426.42 and 60,187.99 is: 90,221.39
Step by Step Solution
- Step 1: Write the proportion equation
144,381.19 : 216,426.42 = 60,187.99 : x - Step 2: Convert to fraction form
144,381.19/216,426.42 = 60,187.99/x - Step 3: Cross multiply
144,381.19x = 216,426.42 × 60,187.99 - Step 4: Simplify right side
144,381.19x = 13,026,271,202.70 - Step 5: Solve for x
x = 13,026,271,202.70/144,381.19 - Step 6: Final answer
x = 90,221.39
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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.