Finding the Fourth Proportional to 614,438.26, 921,812.90 and 171,206.26
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Solution
The fourth proportional to 614,438.26, 921,812.90 and 171,206.26 is: 256,852.72
Step by Step Solution
- Step 1: Write the proportion equation
614,438.26 : 921,812.90 = 171,206.26 : x - Step 2: Convert to fraction form
614,438.26/921,812.90 = 171,206.26/x - Step 3: Cross multiply
614,438.26x = 921,812.90 × 171,206.26 - Step 4: Simplify right side
614,438.26x = 157,820,139,028.75 - Step 5: Solve for x
x = 157,820,139,028.75/614,438.26 - Step 6: Final answer
x = 256,852.72
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1.5x scale
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.