Finding the Fourth Proportional to 190,710.24, 286,040.64 and 50,479.68
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Solution
The fourth proportional to 190,710.24, 286,040.64 and 50,479.68 is: 75,712.98
Step by Step Solution
- Step 1: Write the proportion equation
190,710.24 : 286,040.64 = 50,479.68 : x - Step 2: Convert to fraction form
190,710.24/286,040.64 = 50,479.68/x - Step 3: Cross multiply
190,710.24x = 286,040.64 × 50,479.68 - Step 4: Simplify right side
190,710.24x = 14,439,239,974.20 - Step 5: Solve for x
x = 14,439,239,974.20/190,710.24 - Step 6: Final answer
x = 75,712.98
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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.