Finding the Fourth Proportional to 305,545.15, 457,849.14 and 127,955.08
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Solution
The fourth proportional to 305,545.15, 457,849.14 and 127,955.08 is: 191,736.39
Step by Step Solution
- Step 1: Write the proportion equation
305,545.15 : 457,849.14 = 127,955.08 : x - Step 2: Convert to fraction form
305,545.15/457,849.14 = 127,955.08/x - Step 3: Cross multiply
305,545.15x = 457,849.14 × 127,955.08 - Step 4: Simplify right side
305,545.15x = 58,584,123,336.63 - Step 5: Solve for x
x = 58,584,123,336.63/305,545.15 - Step 6: Final answer
x = 191,736.39
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1.5x scale
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.