Finding the Fourth Proportional to 246,699.36, 370,056.06 and 78,220.44
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Solution
The fourth proportional to 246,699.36, 370,056.06 and 78,220.44 is: 117,332.89
Step by Step Solution
- Step 1: Write the proportion equation
246,699.36 : 370,056.06 = 78,220.44 : x - Step 2: Convert to fraction form
246,699.36/370,056.06 = 78,220.44/x - Step 3: Cross multiply
246,699.36x = 370,056.06 × 78,220.44 - Step 4: Simplify right side
246,699.36x = 28,945,947,837.87 - Step 5: Solve for x
x = 28,945,947,837.87/246,699.36 - Step 6: Final answer
x = 117,332.89
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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.