Finding the Fourth Proportional to 213,070.40, 294,024.48 and 117,586.08
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Solution
The fourth proportional to 213,070.40, 294,024.48 and 117,586.08 is: 162,261.80
Step by Step Solution
- Step 1: Write the proportion equation
213,070.40 : 294,024.48 = 117,586.08 : x - Step 2: Convert to fraction form
213,070.40/294,024.48 = 117,586.08/x - Step 3: Cross multiply
213,070.40x = 294,024.48 × 117,586.08 - Step 4: Simplify right side
213,070.40x = 34,573,186,027.24 - Step 5: Solve for x
x = 34,573,186,027.24/213,070.40 - Step 6: Final answer
x = 162,261.80
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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.