Finding the Fourth Proportional to 312,206.06, 430,845.63 and 168,966.02
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Solution
The fourth proportional to 312,206.06, 430,845.63 and 168,966.02 is: 233,173.79
Step by Step Solution
- Step 1: Write the proportion equation
312,206.06 : 430,845.63 = 168,966.02 : x - Step 2: Convert to fraction form
312,206.06/430,845.63 = 168,966.02/x - Step 3: Cross multiply
312,206.06x = 430,845.63 × 168,966.02 - Step 4: Simplify right side
312,206.06x = 72,798,271,335.49 - Step 5: Solve for x
x = 72,798,271,335.49/312,206.06 - Step 6: Final answer
x = 233,173.79
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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.