Finding the Fourth Proportional to 305,248.44, 457,867.20 and 125,294.79
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Solution
The fourth proportional to 305,248.44, 457,867.20 and 125,294.79 is: 187,939.94
Step by Step Solution
- Step 1: Write the proportion equation
305,248.44 : 457,867.20 = 125,294.79 : x - Step 2: Convert to fraction form
305,248.44/457,867.20 = 125,294.79/x - Step 3: Cross multiply
305,248.44x = 457,867.20 × 125,294.79 - Step 4: Simplify right side
305,248.44x = 57,368,374,671.89 - Step 5: Solve for x
x = 57,368,374,671.89/305,248.44 - Step 6: Final answer
x = 187,939.94
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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.