Finding the Fourth Proportional to 409,778.41, 614,317.01 and 157,240.12
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Solution
The fourth proportional to 409,778.41, 614,317.01 and 157,240.12 is: 235,725.65
Step by Step Solution
- Step 1: Write the proportion equation
409,778.41 : 614,317.01 = 157,240.12 : x - Step 2: Convert to fraction form
409,778.41/614,317.01 = 157,240.12/x - Step 3: Cross multiply
409,778.41x = 614,317.01 × 157,240.12 - Step 4: Simplify right side
409,778.41x = 96,595,280,084.77 - Step 5: Solve for x
x = 96,595,280,084.77/409,778.41 - Step 6: Final answer
x = 235,725.65
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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.