Finding the Fourth Proportional to 305,345.36, 457,682.70 and 127,965.08
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Solution
The fourth proportional to 305,345.36, 457,682.70 and 127,965.08 is: 191,807.08
Step by Step Solution
- Step 1: Write the proportion equation
305,345.36 : 457,682.70 = 127,965.08 : x - Step 2: Convert to fraction form
305,345.36/457,682.70 = 127,965.08/x - Step 3: Cross multiply
305,345.36x = 457,682.70 × 127,965.08 - Step 4: Simplify right side
305,345.36x = 58,567,403,320.12 - Step 5: Solve for x
x = 58,567,403,320.12/305,345.36 - Step 6: Final answer
x = 191,807.08
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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.