Finding the Fourth Proportional to 138,547.74, 207,821.67 and 33,366.67
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Solution
The fourth proportional to 138,547.74, 207,821.67 and 33,366.67 is: 50,050.02
Step by Step Solution
- Step 1: Write the proportion equation
138,547.74 : 207,821.67 = 33,366.67 : x - Step 2: Convert to fraction form
138,547.74/207,821.67 = 33,366.67/x - Step 3: Cross multiply
138,547.74x = 207,821.67 × 33,366.67 - Step 4: Simplify right side
138,547.74x = 6,934,317,081.74 - Step 5: Solve for x
x = 6,934,317,081.74/138,547.74 - Step 6: Final answer
x = 50,050.02
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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.