Finding the Fourth Proportional to 313,973.24, 470,976.15 and 103,627.58
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Solution
The fourth proportional to 313,973.24, 470,976.15 and 103,627.58 is: 155,446.75
Step by Step Solution
- Step 1: Write the proportion equation
313,973.24 : 470,976.15 = 103,627.58 : x - Step 2: Convert to fraction form
313,973.24/470,976.15 = 103,627.58/x - Step 3: Cross multiply
313,973.24x = 470,976.15 × 103,627.58 - Step 4: Simplify right side
313,973.24x = 48,806,118,662.22 - Step 5: Solve for x
x = 48,806,118,662.22/313,973.24 - Step 6: Final answer
x = 155,446.75
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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.