Finding the Fourth Proportional to 312,376.29, 468,610.19 and 99,073.05
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Solution
The fourth proportional to 312,376.29, 468,610.19 and 99,073.05 is: 148,624.09
Step by Step Solution
- Step 1: Write the proportion equation
312,376.29 : 468,610.19 = 99,073.05 : x - Step 2: Convert to fraction form
312,376.29/468,610.19 = 99,073.05/x - Step 3: Cross multiply
312,376.29x = 468,610.19 × 99,073.05 - Step 4: Simplify right side
312,376.29x = 46,426,640,784.38 - Step 5: Solve for x
x = 46,426,640,784.38/312,376.29 - Step 6: Final answer
x = 148,624.09
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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.