Finding the Fourth Proportional to 157,916.04, 217,903.14 and 101,403.96
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Solution
The fourth proportional to 157,916.04, 217,903.14 and 101,403.96 is: 139,923.98
Step by Step Solution
- Step 1: Write the proportion equation
157,916.04 : 217,903.14 = 101,403.96 : x - Step 2: Convert to fraction form
157,916.04/217,903.14 = 101,403.96/x - Step 3: Cross multiply
157,916.04x = 217,903.14 × 101,403.96 - Step 4: Simplify right side
157,916.04x = 22,096,241,292.43 - Step 5: Solve for x
x = 22,096,241,292.43/157,916.04 - Step 6: Final answer
x = 139,923.98
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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.