Finding the Fourth Proportional to 153,752.73, 212,179.11 and 85,767.99
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Solution
The fourth proportional to 153,752.73, 212,179.11 and 85,767.99 is: 118,360.02
Step by Step Solution
- Step 1: Write the proportion equation
153,752.73 : 212,179.11 = 85,767.99 : x - Step 2: Convert to fraction form
153,752.73/212,179.11 = 85,767.99/x - Step 3: Cross multiply
153,752.73x = 212,179.11 × 85,767.99 - Step 4: Simplify right side
153,752.73x = 18,198,175,784.69 - Step 5: Solve for x
x = 18,198,175,784.69/153,752.73 - Step 6: Final answer
x = 118,360.02
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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.