Finding the Fourth Proportional to 305,572.24, 457,889.52 and 127,982.08
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Solution
The fourth proportional to 305,572.24, 457,889.52 and 127,982.08 is: 191,776.76
Step by Step Solution
- Step 1: Write the proportion equation
305,572.24 : 457,889.52 = 127,982.08 : x - Step 2: Convert to fraction form
305,572.24/457,889.52 = 127,982.08/x - Step 3: Cross multiply
305,572.24x = 457,889.52 × 127,982.08 - Step 4: Simplify right side
305,572.24x = 58,601,653,179.80 - Step 5: Solve for x
x = 58,601,653,179.80/305,572.24 - Step 6: Final answer
x = 191,776.76
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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.