Finding the Fourth Proportional to 305,248.94, 457,867.95 and 125,295.29
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Solution
The fourth proportional to 305,248.94, 457,867.95 and 125,295.29 is: 187,940.69
Step by Step Solution
- Step 1: Write the proportion equation
305,248.94 : 457,867.95 = 125,295.29 : x - Step 2: Convert to fraction form
305,248.94/457,867.95 = 125,295.29/x - Step 3: Cross multiply
305,248.94x = 457,867.95 × 125,295.29 - Step 4: Simplify right side
305,248.94x = 57,368,697,576.96 - Step 5: Solve for x
x = 57,368,697,576.96/305,248.94 - Step 6: Final answer
x = 187,940.69
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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.