Finding the Fourth Proportional to 312,206.01, 430,844.27 and 168,966.09
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Solution
The fourth proportional to 312,206.01, 430,844.27 and 168,966.09 is: 233,173.19
Step by Step Solution
- Step 1: Write the proportion equation
312,206.01 : 430,844.27 = 168,966.09 : x - Step 2: Convert to fraction form
312,206.01/430,844.27 = 168,966.09/x - Step 3: Cross multiply
312,206.01x = 430,844.27 × 168,966.09 - Step 4: Simplify right side
312,206.01x = 72,798,070,855.97 - Step 5: Solve for x
x = 72,798,070,855.97/312,206.01 - Step 6: Final answer
x = 233,173.19
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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.