Finding the Fourth Proportional to 306,176.54, 459,342.45 and 216,395.91
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Solution
The fourth proportional to 306,176.54, 459,342.45 and 216,395.91 is: 324,648.74
Step by Step Solution
- Step 1: Write the proportion equation
306,176.54 : 459,342.45 = 216,395.91 : x - Step 2: Convert to fraction form
306,176.54/459,342.45 = 216,395.91/x - Step 3: Cross multiply
306,176.54x = 459,342.45 × 216,395.91 - Step 4: Simplify right side
306,176.54x = 99,399,827,469.38 - Step 5: Solve for x
x = 99,399,827,469.38/306,176.54 - Step 6: Final answer
x = 324,648.74
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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.