Finding the Fourth Proportional to 282,861.44, 390,322.08 and 168,130.88
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Solution
The fourth proportional to 282,861.44, 390,322.08 and 168,130.88 is: 232,004.74
Step by Step Solution
- Step 1: Write the proportion equation
282,861.44 : 390,322.08 = 168,130.88 : x - Step 2: Convert to fraction form
282,861.44/390,322.08 = 168,130.88/x - Step 3: Cross multiply
282,861.44x = 390,322.08 × 168,130.88 - Step 4: Simplify right side
282,861.44x = 65,625,194,793.83 - Step 5: Solve for x
x = 65,625,194,793.83/282,861.44 - Step 6: Final answer
x = 232,004.74
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.