Finding the Fourth Proportional to 461,177.74, 691,976.78 and 236,695.79
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Solution
The fourth proportional to 461,177.74, 691,976.78 and 236,695.79 is: 355,151.55
Step by Step Solution
- Step 1: Write the proportion equation
461,177.74 : 691,976.78 = 236,695.79 : x - Step 2: Convert to fraction form
461,177.74/691,976.78 = 236,695.79/x - Step 3: Cross multiply
461,177.74x = 691,976.78 × 236,695.79 - Step 4: Simplify right side
461,177.74x = 163,787,989,420.28 - Step 5: Solve for x
x = 163,787,989,420.28/461,177.74 - Step 6: Final answer
x = 355,151.55
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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.