Finding the Fourth Proportional to 366,867.70, 550,301.55 and 320,211.70
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Solution
The fourth proportional to 366,867.70, 550,301.55 and 320,211.70 is: 480,317.55
Step by Step Solution
- Step 1: Write the proportion equation
366,867.70 : 550,301.55 = 320,211.70 : x - Step 2: Convert to fraction form
366,867.70/550,301.55 = 320,211.70/x - Step 3: Cross multiply
366,867.70x = 550,301.55 × 320,211.70 - Step 4: Simplify right side
366,867.70x = 176,212,994,838.14 - Step 5: Solve for x
x = 176,212,994,838.14/366,867.70 - Step 6: Final answer
x = 480,317.55
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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.