Finding the Fourth Proportional to 481,033.06, 721,346.58 and 144,121.62
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Solution
The fourth proportional to 481,033.06, 721,346.58 and 144,121.62 is: 216,121.61
Step by Step Solution
- Step 1: Write the proportion equation
481,033.06 : 721,346.58 = 144,121.62 : x - Step 2: Convert to fraction form
481,033.06/721,346.58 = 144,121.62/x - Step 3: Cross multiply
481,033.06x = 721,346.58 × 144,121.62 - Step 4: Simplify right side
481,033.06x = 103,961,637,691.06 - Step 5: Solve for x
x = 103,961,637,691.06/481,033.06 - Step 6: Final answer
x = 216,121.61
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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.