Finding the Fourth Proportional to 175,135.32, 262,708.62 and 68,515.08
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Solution
The fourth proportional to 175,135.32, 262,708.62 and 68,515.08 is: 102,774.83
Step by Step Solution
- Step 1: Write the proportion equation
175,135.32 : 262,708.62 = 68,515.08 : x - Step 2: Convert to fraction form
175,135.32/262,708.62 = 68,515.08/x - Step 3: Cross multiply
175,135.32x = 262,708.62 × 68,515.08 - Step 4: Simplify right side
175,135.32x = 17,999,502,115.99 - Step 5: Solve for x
x = 17,999,502,115.99/175,135.32 - Step 6: Final answer
x = 102,774.83
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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.