Finding the Fourth Proportional to 213,309.48, 294,360.84 and 117,814.08
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Solution
The fourth proportional to 213,309.48, 294,360.84 and 117,814.08 is: 162,579.98
Step by Step Solution
- Step 1: Write the proportion equation
213,309.48 : 294,360.84 = 117,814.08 : x - Step 2: Convert to fraction form
213,309.48/294,360.84 = 117,814.08/x - Step 3: Cross multiply
213,309.48x = 294,360.84 × 117,814.08 - Step 4: Simplify right side
213,309.48x = 34,679,851,552.63 - Step 5: Solve for x
x = 34,679,851,552.63/213,309.48 - Step 6: Final answer
x = 162,579.98
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1.5x scale
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.