Finding the Fourth Proportional to 269,942.02, 372,519.98 and 156,772.06
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Solution
The fourth proportional to 269,942.02, 372,519.98 and 156,772.06 is: 216,345.44
Step by Step Solution
- Step 1: Write the proportion equation
269,942.02 : 372,519.98 = 156,772.06 : x - Step 2: Convert to fraction form
269,942.02/372,519.98 = 156,772.06/x - Step 3: Cross multiply
269,942.02x = 372,519.98 × 156,772.06 - Step 4: Simplify right side
269,942.02x = 58,400,724,655.76 - Step 5: Solve for x
x = 58,400,724,655.76/269,942.02 - Step 6: Final answer
x = 216,345.44
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.