Finding the Fourth Proportional to 207,263.90, 310,899.50 and 74,239.62
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Solution
The fourth proportional to 207,263.90, 310,899.50 and 74,239.62 is: 111,360.74
Step by Step Solution
- Step 1: Write the proportion equation
207,263.90 : 310,899.50 = 74,239.62 : x - Step 2: Convert to fraction form
207,263.90/310,899.50 = 74,239.62/x - Step 3: Cross multiply
207,263.90x = 310,899.50 × 74,239.62 - Step 4: Simplify right side
207,263.90x = 23,081,060,366.99 - Step 5: Solve for x
x = 23,081,060,366.99/207,263.90 - Step 6: Final answer
x = 111,360.74
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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.