Finding the Fourth Proportional to 524,850.13, 787,400.12 and 169,864.15
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Solution
The fourth proportional to 524,850.13, 787,400.12 and 169,864.15 is: 254,836.65
Step by Step Solution
- Step 1: Write the proportion equation
524,850.13 : 787,400.12 = 169,864.15 : x - Step 2: Convert to fraction form
524,850.13/787,400.12 = 169,864.15/x - Step 3: Cross multiply
524,850.13x = 787,400.12 × 169,864.15 - Step 4: Simplify right side
524,850.13x = 133,751,048,156.70 - Step 5: Solve for x
x = 133,751,048,156.70/524,850.13 - Step 6: Final answer
x = 254,836.65
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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.