Finding the Fourth Proportional to 657,113.32, 985,677.36 and 207,823.36
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Solution
The fourth proportional to 657,113.32, 985,677.36 and 207,823.36 is: 311,737.37
Step by Step Solution
- Step 1: Write the proportion equation
657,113.32 : 985,677.36 = 207,823.36 : x - Step 2: Convert to fraction form
657,113.32/985,677.36 = 207,823.36/x - Step 3: Cross multiply
657,113.32x = 985,677.36 × 207,823.36 - Step 4: Simplify right side
657,113.32x = 204,846,780,831.13 - Step 5: Solve for x
x = 204,846,780,831.13/657,113.32 - Step 6: Final answer
x = 311,737.37
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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.