Finding the Fourth Proportional to 156,970.68, 235,450.80 and 68,224.29
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Solution
The fourth proportional to 156,970.68, 235,450.80 and 68,224.29 is: 102,334.17
Step by Step Solution
- Step 1: Write the proportion equation
156,970.68 : 235,450.80 = 68,224.29 : x - Step 2: Convert to fraction form
156,970.68/235,450.80 = 68,224.29/x - Step 3: Cross multiply
156,970.68x = 235,450.80 × 68,224.29 - Step 4: Simplify right side
156,970.68x = 16,063,463,659.93 - Step 5: Solve for x
x = 16,063,463,659.93/156,970.68 - Step 6: Final answer
x = 102,334.17
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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.