Finding the Fourth Proportional to 305,201.11, 457,336.92 and 155,216.65
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Solution
The fourth proportional to 305,201.11, 457,336.92 and 155,216.65 is: 232,588.61
Step by Step Solution
- Step 1: Write the proportion equation
305,201.11 : 457,336.92 = 155,216.65 : x - Step 2: Convert to fraction form
305,201.11/457,336.92 = 155,216.65/x - Step 3: Cross multiply
305,201.11x = 457,336.92 × 155,216.65 - Step 4: Simplify right side
305,201.11x = 70,986,301,580.95 - Step 5: Solve for x
x = 70,986,301,580.95/305,201.11 - Step 6: Final answer
x = 232,588.61
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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.