Finding the Fourth Proportional to 119,014.08, 178,525.35 and 40,128.99
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Solution
The fourth proportional to 119,014.08, 178,525.35 and 40,128.99 is: 60,194.91
Step by Step Solution
- Step 1: Write the proportion equation
119,014.08 : 178,525.35 = 40,128.99 : x - Step 2: Convert to fraction form
119,014.08/178,525.35 = 40,128.99/x - Step 3: Cross multiply
119,014.08x = 178,525.35 × 40,128.99 - Step 4: Simplify right side
119,014.08x = 7,164,041,984.90 - Step 5: Solve for x
x = 7,164,041,984.90/119,014.08 - Step 6: Final answer
x = 60,194.91
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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.