Finding the Fourth Proportional to 298,466.08, 411,883.28 and 164,330.08
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Solution
The fourth proportional to 298,466.08, 411,883.28 and 164,330.08 is: 226,775.56
Step by Step Solution
- Step 1: Write the proportion equation
298,466.08 : 411,883.28 = 164,330.08 : x - Step 2: Convert to fraction form
298,466.08/411,883.28 = 164,330.08/x - Step 3: Cross multiply
298,466.08x = 411,883.28 × 164,330.08 - Step 4: Simplify right side
298,466.08x = 67,684,812,353.06 - Step 5: Solve for x
x = 67,684,812,353.06/298,466.08 - Step 6: Final answer
x = 226,775.56
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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.