Finding the Fourth Proportional to 639,934.94, 960,040.83 and 190,691.99
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Solution
The fourth proportional to 639,934.94, 960,040.83 and 190,691.99 is: 286,079.23
Step by Step Solution
- Step 1: Write the proportion equation
639,934.94 : 960,040.83 = 190,691.99 : x - Step 2: Convert to fraction form
639,934.94/960,040.83 = 190,691.99/x - Step 3: Cross multiply
639,934.94x = 960,040.83 × 190,691.99 - Step 4: Simplify right side
639,934.94x = 183,072,097,357.77 - Step 5: Solve for x
x = 183,072,097,357.77/639,934.94 - Step 6: Final answer
x = 286,079.23
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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.