Finding the Fourth Proportional to 217,083.44, 299,580.99 and 121,588.04
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Solution
The fourth proportional to 217,083.44, 299,580.99 and 121,588.04 is: 167,794.77
Step by Step Solution
- Step 1: Write the proportion equation
217,083.44 : 299,580.99 = 121,588.04 : x - Step 2: Convert to fraction form
217,083.44/299,580.99 = 121,588.04/x - Step 3: Cross multiply
217,083.44x = 299,580.99 × 121,588.04 - Step 4: Simplify right side
217,083.44x = 36,425,465,395.36 - Step 5: Solve for x
x = 36,425,465,395.36/217,083.44 - Step 6: Final answer
x = 167,794.77
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.