Finding the Fourth Proportional to 394,149.24, 591,666.12 and 157,656.78
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Solution
The fourth proportional to 394,149.24, 591,666.12 and 157,656.78 is: 236,662.07
Step by Step Solution
- Step 1: Write the proportion equation
394,149.24 : 591,666.12 = 157,656.78 : x - Step 2: Convert to fraction form
394,149.24/591,666.12 = 157,656.78/x - Step 3: Cross multiply
394,149.24x = 591,666.12 × 157,656.78 - Step 4: Simplify right side
394,149.24x = 93,280,175,314.29 - Step 5: Solve for x
x = 93,280,175,314.29/394,149.24 - Step 6: Final answer
x = 236,662.07
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.