Finding the Fourth Proportional to 144,315.18, 216,236.12 and 101,988.53
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Solution
The fourth proportional to 144,315.18, 216,236.12 and 101,988.53 is: 152,815.56
Step by Step Solution
- Step 1: Write the proportion equation
144,315.18 : 216,236.12 = 101,988.53 : x - Step 2: Convert to fraction form
144,315.18/216,236.12 = 101,988.53/x - Step 3: Cross multiply
144,315.18x = 216,236.12 × 101,988.53 - Step 4: Simplify right side
144,315.18x = 22,053,604,807.27 - Step 5: Solve for x
x = 22,053,604,807.27/144,315.18 - Step 6: Final answer
x = 152,815.56
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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.