Finding the Fourth Proportional to 193,761.18, 267,391.85 and 106,547.81
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Solution
The fourth proportional to 193,761.18, 267,391.85 and 106,547.81 is: 147,036.75
Step by Step Solution
- Step 1: Write the proportion equation
193,761.18 : 267,391.85 = 106,547.81 : x - Step 2: Convert to fraction form
193,761.18/267,391.85 = 106,547.81/x - Step 3: Cross multiply
193,761.18x = 267,391.85 × 106,547.81 - Step 4: Simplify right side
193,761.18x = 28,490,014,159.65 - Step 5: Solve for x
x = 28,490,014,159.65/193,761.18 - Step 6: Final answer
x = 147,036.75
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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.