Finding the Fourth Proportional to 298,497.40, 411,936.48 and 162,536.60
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Solution
The fourth proportional to 298,497.40, 411,936.48 and 162,536.60 is: 224,305.99
Step by Step Solution
- Step 1: Write the proportion equation
298,497.40 : 411,936.48 = 162,536.60 : x - Step 2: Convert to fraction form
298,497.40/411,936.48 = 162,536.60/x - Step 3: Cross multiply
298,497.40x = 411,936.48 × 162,536.60 - Step 4: Simplify right side
298,497.40x = 66,954,754,875.17 - Step 5: Solve for x
x = 66,954,754,875.17/298,497.40 - Step 6: Final answer
x = 224,305.99
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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.