Finding the Fourth Proportional to 156,970.93, 235,451.19 and 68,224.52
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Solution
The fourth proportional to 156,970.93, 235,451.19 and 68,224.52 is: 102,334.52
Step by Step Solution
- Step 1: Write the proportion equation
156,970.93 : 235,451.19 = 68,224.52 : x - Step 2: Convert to fraction form
156,970.93/235,451.19 = 68,224.52/x - Step 3: Cross multiply
156,970.93x = 235,451.19 × 68,224.52 - Step 4: Simplify right side
156,970.93x = 16,063,544,421.18 - Step 5: Solve for x
x = 16,063,544,421.18/156,970.93 - Step 6: Final answer
x = 102,334.52
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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.