Finding the Fourth Proportional to 221,720.91, 332,663.99 and 133,038.06
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Solution
The fourth proportional to 221,720.91, 332,663.99 and 133,038.06 is: 199,606.66
Step by Step Solution
- Step 1: Write the proportion equation
221,720.91 : 332,663.99 = 133,038.06 : x - Step 2: Convert to fraction form
221,720.91/332,663.99 = 133,038.06/x - Step 3: Cross multiply
221,720.91x = 332,663.99 × 133,038.06 - Step 4: Simplify right side
221,720.91x = 44,256,971,196.27 - Step 5: Solve for x
x = 44,256,971,196.27/221,720.91 - Step 6: Final answer
x = 199,606.66
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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.