Finding the Fourth Proportional to 472,726.85, 709,096.43 and 157,183.74
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Solution
The fourth proportional to 472,726.85, 709,096.43 and 157,183.74 is: 235,777.66
Step by Step Solution
- Step 1: Write the proportion equation
472,726.85 : 709,096.43 = 157,183.74 : x - Step 2: Convert to fraction form
472,726.85/709,096.43 = 157,183.74/x - Step 3: Cross multiply
472,726.85x = 709,096.43 × 157,183.74 - Step 4: Simplify right side
472,726.85x = 111,458,428,102.13 - Step 5: Solve for x
x = 111,458,428,102.13/472,726.85 - Step 6: Final answer
x = 235,777.66
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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.