Finding the Fourth Proportional to 207,108.36, 285,803.76 and 125,484.95
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Solution
The fourth proportional to 207,108.36, 285,803.76 and 125,484.95 is: 173,165.72
Step by Step Solution
- Step 1: Write the proportion equation
207,108.36 : 285,803.76 = 125,484.95 : x - Step 2: Convert to fraction form
207,108.36/285,803.76 = 125,484.95/x - Step 3: Cross multiply
207,108.36x = 285,803.76 × 125,484.95 - Step 4: Simplify right side
207,108.36x = 35,864,069,104.39 - Step 5: Solve for x
x = 35,864,069,104.39/207,108.36 - Step 6: Final answer
x = 173,165.72
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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.