Finding the Fourth Proportional to 513,838.51, 770,702.38 and 134,797.23
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Solution
The fourth proportional to 513,838.51, 770,702.38 and 134,797.23 is: 202,181.32
Step by Step Solution
- Step 1: Write the proportion equation
513,838.51 : 770,702.38 = 134,797.23 : x - Step 2: Convert to fraction form
513,838.51/770,702.38 = 134,797.23/x - Step 3: Cross multiply
513,838.51x = 770,702.38 × 134,797.23 - Step 4: Simplify right side
513,838.51x = 103,888,545,978.41 - Step 5: Solve for x
x = 103,888,545,978.41/513,838.51 - Step 6: Final answer
x = 202,181.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.