Finding the Fourth Proportional to 312,206.02, 430,844.26 and 168,966.08
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Solution
The fourth proportional to 312,206.02, 430,844.26 and 168,966.08 is: 233,173.16
Step by Step Solution
- Step 1: Write the proportion equation
312,206.02 : 430,844.26 = 168,966.08 : x - Step 2: Convert to fraction form
312,206.02/430,844.26 = 168,966.08/x - Step 3: Cross multiply
312,206.02x = 430,844.26 × 168,966.08 - Step 4: Simplify right side
312,206.02x = 72,798,065,702.70 - Step 5: Solve for x
x = 72,798,065,702.70/312,206.02 - Step 6: Final answer
x = 233,173.16
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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.