Finding the Fourth Proportional to 551,430.17, 827,196.38 and 214,496.49
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Solution
The fourth proportional to 551,430.17, 827,196.38 and 214,496.49 is: 321,764.62
Step by Step Solution
- Step 1: Write the proportion equation
551,430.17 : 827,196.38 = 214,496.49 : x - Step 2: Convert to fraction form
551,430.17/827,196.38 = 214,496.49/x - Step 3: Cross multiply
551,430.17x = 827,196.38 × 214,496.49 - Step 4: Simplify right side
551,430.17x = 177,430,720,050.71 - Step 5: Solve for x
x = 177,430,720,050.71/551,430.17 - Step 6: Final answer
x = 321,764.62
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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.