Finding the Fourth Proportional to 236,469.90, 354,121.65 and 157,154.70
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Solution
The fourth proportional to 236,469.90, 354,121.65 and 157,154.70 is: 235,344.46
Step by Step Solution
- Step 1: Write the proportion equation
236,469.90 : 354,121.65 = 157,154.70 : x - Step 2: Convert to fraction form
236,469.90/354,121.65 = 157,154.70/x - Step 3: Cross multiply
236,469.90x = 354,121.65 × 157,154.70 - Step 4: Simplify right side
236,469.90x = 55,651,881,669.26 - Step 5: Solve for x
x = 55,651,881,669.26/236,469.90 - Step 6: Final answer
x = 235,344.46
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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.