Finding the Fourth Proportional to 482,946.05, 666,432.21 and 268,069.20
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Solution
The fourth proportional to 482,946.05, 666,432.21 and 268,069.20 is: 369,916.99
Step by Step Solution
- Step 1: Write the proportion equation
482,946.05 : 666,432.21 = 268,069.20 : x - Step 2: Convert to fraction form
482,946.05/666,432.21 = 268,069.20/x - Step 3: Cross multiply
482,946.05x = 666,432.21 × 268,069.20 - Step 4: Simplify right side
482,946.05x = 178,649,949,388.93 - Step 5: Solve for x
x = 178,649,949,388.93/482,946.05 - Step 6: Final answer
x = 369,916.99
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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.