Finding the Fourth Proportional to 298,774.08, 412,306.20 and 164,638.08
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Solution
The fourth proportional to 298,774.08, 412,306.20 and 164,638.08 is: 227,199.43
Step by Step Solution
- Step 1: Write the proportion equation
298,774.08 : 412,306.20 = 164,638.08 : x - Step 2: Convert to fraction form
298,774.08/412,306.20 = 164,638.08/x - Step 3: Cross multiply
298,774.08x = 412,306.20 × 164,638.08 - Step 4: Simplify right side
298,774.08x = 67,881,301,140.10 - Step 5: Solve for x
x = 67,881,301,140.10/298,774.08 - Step 6: Final answer
x = 227,199.43
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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.