Finding the Fourth Proportional to 292,102.90, 409,534.55 and 292,102.90
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Solution
The fourth proportional to 292,102.90, 409,534.55 and 292,102.90 is: 409,534.55
Step by Step Solution
- Step 1: Write the proportion equation
292,102.90 : 409,534.55 = 292,102.90 : x - Step 2: Convert to fraction form
292,102.90/409,534.55 = 292,102.90/x - Step 3: Cross multiply
292,102.90x = 409,534.55 × 292,102.90 - Step 4: Simplify right side
292,102.90x = 119,626,229,705.20 - Step 5: Solve for x
x = 119,626,229,705.20/292,102.90 - Step 6: Final answer
x = 409,534.55
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.