Finding the Fourth Proportional to 480,792.78, 721,227.11 and 160,946.55
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Solution
The fourth proportional to 480,792.78, 721,227.11 and 160,946.55 is: 241,432.52
Step by Step Solution
- Step 1: Write the proportion equation
480,792.78 : 721,227.11 = 160,946.55 : x - Step 2: Convert to fraction form
480,792.78/721,227.11 = 160,946.55/x - Step 3: Cross multiply
480,792.78x = 721,227.11 × 160,946.55 - Step 4: Simplify right side
480,792.78x = 116,079,014,316.24 - Step 5: Solve for x
x = 116,079,014,316.24/480,792.78 - Step 6: Final answer
x = 241,432.52
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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.