Finding the Fourth Proportional to 178,936.07, 246,925.49 and 98,363.01
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Solution
The fourth proportional to 178,936.07, 246,925.49 and 98,363.01 is: 135,737.50
Step by Step Solution
- Step 1: Write the proportion equation
178,936.07 : 246,925.49 = 98,363.01 : x - Step 2: Convert to fraction form
178,936.07/246,925.49 = 98,363.01/x - Step 3: Cross multiply
178,936.07x = 246,925.49 × 98,363.01 - Step 4: Simplify right side
178,936.07x = 24,288,333,950.31 - Step 5: Solve for x
x = 24,288,333,950.31/178,936.07 - Step 6: Final answer
x = 135,737.50
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.