Finding the Fourth Proportional to 312,246.68, 468,360.02 and 132,284.09
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Solution
The fourth proportional to 312,246.68, 468,360.02 and 132,284.09 is: 198,421.90
Step by Step Solution
- Step 1: Write the proportion equation
312,246.68 : 468,360.02 = 132,284.09 : x - Step 2: Convert to fraction form
312,246.68/468,360.02 = 132,284.09/x - Step 3: Cross multiply
312,246.68x = 468,360.02 × 132,284.09 - Step 4: Simplify right side
312,246.68x = 61,956,579,038.08 - Step 5: Solve for x
x = 61,956,579,038.08/312,246.68 - Step 6: Final answer
x = 198,421.90
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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.