Finding the Fourth Proportional to 305,569.24, 457,885.02 and 127,979.08
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Solution
The fourth proportional to 305,569.24, 457,885.02 and 127,979.08 is: 191,772.26
Step by Step Solution
- Step 1: Write the proportion equation
305,569.24 : 457,885.02 = 127,979.08 : x - Step 2: Convert to fraction form
305,569.24/457,885.02 = 127,979.08/x - Step 3: Cross multiply
305,569.24x = 457,885.02 × 127,979.08 - Step 4: Simplify right side
305,569.24x = 58,599,703,605.38 - Step 5: Solve for x
x = 58,599,703,605.38/305,569.24 - Step 6: Final answer
x = 191,772.26
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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.