Finding the Fourth Proportional to 298,506.96, 411,929.97 and 162,539.80
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Solution
The fourth proportional to 298,506.96, 411,929.97 and 162,539.80 is: 224,299.68
Step by Step Solution
- Step 1: Write the proportion equation
298,506.96 : 411,929.97 = 162,539.80 : x - Step 2: Convert to fraction form
298,506.96/411,929.97 = 162,539.80/x - Step 3: Cross multiply
298,506.96x = 411,929.97 × 162,539.80 - Step 4: Simplify right side
298,506.96x = 66,955,014,937.81 - Step 5: Solve for x
x = 66,955,014,937.81/298,506.96 - Step 6: Final answer
x = 224,299.68
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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.