Finding the Fourth Proportional to 312,105.17, 430,702.08 and 168,862.07
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Solution
The fourth proportional to 312,105.17, 430,702.08 and 168,862.07 is: 233,028.00
Step by Step Solution
- Step 1: Write the proportion equation
312,105.17 : 430,702.08 = 168,862.07 : x - Step 2: Convert to fraction form
312,105.17/430,702.08 = 168,862.07/x - Step 3: Cross multiply
312,105.17x = 430,702.08 × 168,862.07 - Step 4: Simplify right side
312,105.17x = 72,729,245,225.63 - Step 5: Solve for x
x = 72,729,245,225.63/312,105.17 - Step 6: Final answer
x = 233,028.00
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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.