Finding the Fourth Proportional to 656,467.80, 984,701.70 and 157,831.80
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Solution
The fourth proportional to 656,467.80, 984,701.70 and 157,831.80 is: 236,747.70
Step by Step Solution
- Step 1: Write the proportion equation
656,467.80 : 984,701.70 = 157,831.80 : x - Step 2: Convert to fraction form
656,467.80/984,701.70 = 157,831.80/x - Step 3: Cross multiply
656,467.80x = 984,701.70 × 157,831.80 - Step 4: Simplify right side
656,467.80x = 155,417,241,774.06 - Step 5: Solve for x
x = 155,417,241,774.06/656,467.80 - Step 6: Final answer
x = 236,747.70
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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.